40055217032432 has 80 divisors (see below), whose sum is σ = 90374528606400. Its totient is φ = 16843635818496.

The previous prime is 40055217032423. The next prime is 40055217032461. The reversal of 40055217032432 is 23423071255004.

40055217032432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11114057 + ... + 14269992.

It is an arithmetic number, because the mean of its divisors is an integer number (1129681607580).

Almost surely, 2^{40055217032432} is an apocalyptic number.

It is an amenable number.

40055217032432 is an abundant number, since it is smaller than the sum of its proper divisors (50319311573968).

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

40055217032432 is a wasteful number, since it uses less digits than its factorization.

40055217032432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25384330 (or 25384324 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 40055217032432 its reverse (23423071255004), we get a palindrome (63478288287436).

The spelling of 40055217032432 in words is "forty trillion, fifty-five billion, two hundred seventeen million, thirty-two thousand, four hundred thirty-two".