28652468900 has 72 divisors (see below), whose sum is σ = 68783722560. Its totient is φ = 10272304000.

The previous prime is 28652468849. The next prime is 28652468903. The reversal of 28652468900 is 986425682.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (28652468903) 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, 105335 + ... + 261534.

It is an arithmetic number, because the mean of its divisors is an integer number (955329480).

Almost surely, 2^28652468900 is an apocalyptic number.

28652468900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28652468900 is an abundant number, since it is smaller than the sum of its proper divisors (40131253660).

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

28652468900 is a wasteful number, since it uses less digits than its factorization.

28652468900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366965 (or 366958 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 28652468900 in words is "twenty-eight billion, six hundred fifty-two million, four hundred sixty-eight thousand, nine hundred".