28092137480 has 64 divisors (see below), whose sum is σ = 69300144000. Its totient is φ = 10163957760.

The previous prime is 28092137467. The next prime is 28092137503. The reversal of 28092137480 is 8473129082.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72857 + ... + 247976.

It is an arithmetic number, because the mean of its divisors is an integer number (1082814750).

Almost surely, 2^28092137480 is an apocalyptic number.

28092137480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28092137480 is an abundant number, since it is smaller than the sum of its proper divisors (41208006520).

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

28092137480 is a wasteful number, since it uses less digits than its factorization.

28092137480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321054 (or 321050 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 28092137480 in words is "twenty-eight billion, ninety-two million, one hundred thirty-seven thousand, four hundred eighty".