28753490120 has 16 divisors (see below), whose sum is σ = 64695352860. Its totient is φ = 11501396032.

The previous prime is 28753490113. The next prime is 28753490159. The reversal of 28753490120 is 2109435782.

It can be written as a sum of positive squares in 2 ways, for example, as 23562864004 + 5190626116 = 153502^2 + 72046^2 .

It is a super-2 number, since 2×28753490120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359418587 + ... + 359418666.

Almost surely, 2^28753490120 is an apocalyptic number.

28753490120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28753490120 is an abundant number, since it is smaller than the sum of its proper divisors (35941862740).

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

28753490120 is a wasteful number, since it uses less digits than its factorization.

28753490120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718837264 (or 718837260 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 28753490120 in words is "twenty-eight billion, seven hundred fifty-three million, four hundred ninety thousand, one hundred twenty".