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40784229486 = 234721113193161
BaseRepresentation
bin100101111110111011…
…011111010001101110
310220021022201112010000
4211332323133101232
51132011230320421
630422551325130
72642446142100
oct457673372156
9126238645100
1040784229486
11163296a8290
127aa26807a6
133acc6a3190
141d8c7cd570
1510da796226
hex97eedf46e

40784229486 has 960 divisors, whose sum is σ = 137931171840. Its totient is φ = 8817984000.

The previous prime is 40784229469. The next prime is 40784229503. The reversal of 40784229486 is 68492248704.

40784229486 is a `hidden beast` number, since 407 + 8 + 4 + 229 + 4 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (40784229469) and next prime (40784229503).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 668593896 + ... + 668593956.

It is an arithmetic number, because the mean of its divisors is an integer number (143678304).

Almost surely, 240784229486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40784229486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68965585920).

40784229486 is an abundant number, since it is smaller than the sum of its proper divisors (97146942354).

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

40784229486 is a wasteful number, since it uses less digits than its factorization.

40784229486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 40784229486 in words is "forty billion, seven hundred eighty-four million, two hundred twenty-nine thousand, four hundred eighty-six".