40051111232 has 56 divisors (see below), whose sum is σ = 88337513952. Its totient is φ = 17861542400.

The previous prime is 40051111231. The next prime is 40051111253. The reversal of 40051111232 is 23211115004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499394 + ... + 574017.

Almost surely, 2^40051111232 is an apocalyptic number.

It is an amenable number.

40051111232 is an abundant number, since it is smaller than the sum of its proper divisors (48286402720).

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

40051111232 is a wasteful number, since it uses less digits than its factorization.

40051111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073487 (or 1073477 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 40051111232 its reverse (23211115004), we get a palindrome (63262226236).

The spelling of 40051111232 in words is "forty billion, fifty-one million, one hundred eleven thousand, two hundred thirty-two".