40933128720 has 120 divisors (see below), whose sum is σ = 139477197888. Its totient is φ = 9923175680.

The previous prime is 40933128703. The next prime is 40933128721. The reversal of 40933128720 is 2782133904.

40933128720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (40933128721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675732 + ... + 733811.

Almost surely, 2^40933128720 is an apocalyptic number.

40933128720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40933128720 is an abundant number, since it is smaller than the sum of its proper divisors (98544069168).

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

40933128720 is a wasteful number, since it uses less digits than its factorization.

40933128720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409581 (or 1409564 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

It can be divided in two parts, 40933 and 128720, that added together give a triangular number (169653 = T₅₈₂).

The spelling of 40933128720 in words is "forty billion, nine hundred thirty-three million, one hundred twenty-eight thousand, seven hundred twenty".