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40403148072 = 2337240494929
BaseRepresentation
bin100101101000001101…
…110001110100101000
310212021202122120200120
4211220031301310220
51130221201214242
630321055403240
72630141043420
oct455015616450
9125252576616
1040403148072
1116153584171
1279b6b23520
133a6b756a11
141d53d51480
1510b70bd1ec
hex968371d28

40403148072 has 32 divisors (see below), whose sum is σ = 115437566400. Its totient is φ = 11543756544.

The previous prime is 40403148061. The next prime is 40403148083. The reversal of 40403148072 is 27084130404.

It is an interprime number because it is at equal distance from previous prime (40403148061) and next prime (40403148083).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120247297 + ... + 120247632.

It is an arithmetic number, because the mean of its divisors is an integer number (3607423950).

Almost surely, 240403148072 is an apocalyptic number.

40403148072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40403148072 is an abundant number, since it is smaller than the sum of its proper divisors (75034418328).

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

40403148072 is a wasteful number, since it uses less digits than its factorization.

40403148072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240494945 (or 240494941 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

Adding to 40403148072 its reverse (27084130404), we get a palindrome (67487278476).

The spelling of 40403148072 in words is "forty billion, four hundred three million, one hundred forty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 240494929 480989858 721484787 961979716 1442969574 1683464503 1923959432 2885939148 3366929006 5050393509 5771878296 6733858012 10100787018 13467716024 20201574036 40403148072