40632043632 has 40 divisors (see below), whose sum is σ = 105767397120. Its totient is φ = 13440623040.

The previous prime is 40632043493. The next prime is 40632043633. The reversal of 40632043632 is 23634023604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40632043593 and 40632043602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40632043633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3224632 + ... + 3237207.

It is an arithmetic number, because the mean of its divisors is an integer number (2644184928).

Almost surely, 2^40632043632 is an apocalyptic number.

It is an amenable number.

40632043632 is an abundant number, since it is smaller than the sum of its proper divisors (65135353488).

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

40632043632 is a wasteful number, since it uses less digits than its factorization.

40632043632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461981 (or 6461975 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

The spelling of 40632043632 in words is "forty billion, six hundred thirty-two million, forty-three thousand, six hundred thirty-two".