40032766688 has 24 divisors (see below), whose sum is σ = 78826270320. Its totient is φ = 20013396480.

The previous prime is 40032766687. The next prime is 40032766703. The reversal of 40032766688 is 88666723004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032766687) 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, 132893 + ... + 312611.

It is an arithmetic number, because the mean of its divisors is an integer number (3284427930).

Almost surely, 2^40032766688 is an apocalyptic number.

It is an amenable number.

40032766688 is a deficient number, since it is larger than the sum of its proper divisors (38793503632).

40032766688 is a wasteful number, since it uses less digits than its factorization.

40032766688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186690 (or 186682 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 40032766688 in words is "forty billion, thirty-two million, seven hundred sixty-six thousand, six hundred eighty-eight".