28793052955440 has 160 divisors (see below), whose sum is σ = 104395864665600. Its totient is φ = 7274034420480.

The previous prime is 28793052955427. The next prime is 28793052955451. The reversal of 28793052955440 is 4455925039782.

28793052955440 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 30 + 5 + 2 + 9 + 554 + 40 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350751516 + ... + 350833595.

It is an arithmetic number, because the mean of its divisors is an integer number (652474154160).

Almost surely, 2^{28793052955440} is an apocalyptic number.

28793052955440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28793052955440 is an abundant number, since it is smaller than the sum of its proper divisors (75602811710160).

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

28793052955440 is a wasteful number, since it uses less digits than its factorization.

28793052955440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701585152 (or 701585140 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 28793052955440 in words is "twenty-eight trillion, seven hundred ninety-three billion, fifty-two million, nine hundred fifty-five thousand, four hundred forty".