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40801010064 = 2435479671607
BaseRepresentation
bin100101111111111011…
…100000000110010000
310220022111022001201220
4211333323200012100
51132030024310224
630424351125040
72643041602053
oct457773400620
9126274261656
1040801010064
1116338119831
127aa8213780
133b02cca109
141d90b1aa9a
1510dbead279
hex97fee0190

40801010064 has 80 divisors (see below), whose sum is σ = 105770277888. Its totient is φ = 13552995456.

The previous prime is 40801010053. The next prime is 40801010069. The reversal of 40801010064 is 46001010804.

40801010064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40801010069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25388749 + ... + 25390355.

Almost surely, 240801010064 is an apocalyptic number.

It is an amenable number.

40801010064 is an abundant number, since it is smaller than the sum of its proper divisors (64969267824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40801010064 is a wasteful number, since it uses less digits than its factorization.

40801010064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 40801010064 its reverse (46001010804), we get a palindrome (86802020868).

The spelling of 40801010064 in words is "forty billion, eight hundred one million, ten thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 547 967 1094 1607 1641 1934 2188 2901 3214 3282 3868 4376 4821 5802 6428 6564 7736 8752 9642 11604 12856 13128 15472 19284 23208 25712 26256 38568 46416 77136 528949 879029 1057898 1553969 1586847 1758058 2115796 2637087 3107938 3173694 3516116 4231592 4661907 5274174 6215876 6347388 7032232 8463184 9323814 10548348 12431752 12694776 14064464 18647628 21096696 24863504 25389552 37295256 42193392 74590512 850021043 1700042086 2550063129 3400084172 5100126258 6800168344 10200252516 13600336688 20400505032 40801010064