40694997385152 has 112 divisors (see below), whose sum is σ = 130511734099200. Its totient is φ = 12331817383680.

The previous prime is 40694997385151. The next prime is 40694997385171. The reversal of 40694997385152 is 25158379949604.

40694997385152 is a `hidden beast` number, since 4 + 0 + 6 + 9 + 4 + 9 + 97 + 385 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40694997385151) 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, 1070451252 + ... + 1070489267.

It is a 1-persistent number, because it is pandigital, but 2⋅40694997385152 = 81389994770304 is not.

Almost surely, 2^{40694997385152} is an apocalyptic number.

It is an amenable number.

40694997385152 is an abundant number, since it is smaller than the sum of its proper divisors (89816736714048).

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

40694997385152 is a wasteful number, since it uses less digits than its factorization.

40694997385152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140940551 (or 2140940535 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 72.

The spelling of 40694997385152 in words is "forty trillion, six hundred ninety-four billion, nine hundred ninety-seven million, three hundred eighty-five thousand, one hundred fifty-two".