40123711894032 has 240 divisors, whose sum is σ = 130537417570560. Its totient is φ = 11401778691072.

The previous prime is 40123711893989. The next prime is 40123711894037. The reversal of 40123711894032 is 23049811732104.

40123711894032 is a `hidden beast` number, since 4 + 0 + 1 + 237 + 1 + 1 + 8 + 9 + 403 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (40123711894037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14818548 + ... + 17315795.

It is an arithmetic number, because the mean of its divisors is an integer number (543905906544).

Almost surely, 2^{40123711894032} is an apocalyptic number.

It is an amenable number.

40123711894032 is an abundant number, since it is smaller than the sum of its proper divisors (90413705676528).

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

40123711894032 is a wasteful number, since it uses less digits than its factorization.

40123711894032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32134422 (or 32134413 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 40123711894032 in words is "forty trillion, one hundred twenty-three billion, seven hundred eleven million, eight hundred ninety-four thousand, thirty-two".