40851332788 has 12 divisors (see below), whose sum is σ = 81702665632. Its totient is φ = 17507714040.

The previous prime is 40851332783. The next prime is 40851332803. The reversal of 40851332788 is 88723315804.

40851332788 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40851332783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729488058 + ... + 729488113.

Almost surely, 2^40851332788 is an apocalyptic number.

It is an amenable number.

40851332788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40851332788 is a wasteful number, since it uses less digits than its factorization.

40851332788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458976182 (or 1458976180 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 40851332788 in words is "forty billion, eight hundred fifty-one million, three hundred thirty-two thousand, seven hundred eighty-eight".