28573335408 has 40 divisors (see below), whose sum is σ = 75207181968. Its totient is φ = 9344737792.

The previous prime is 28573335403. The next prime is 28573335451. The reversal of 28573335408 is 80453337582.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28573335403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5613285 + ... + 5618372.

Almost surely, 2^28573335408 is an apocalyptic number.

It is an amenable number.

28573335408 is an abundant number, since it is smaller than the sum of its proper divisors (46633846560).

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

28573335408 is a wasteful number, since it uses less digits than its factorization.

28573335408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231721 (or 11231715 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 28573335408 in words is "twenty-eight billion, five hundred seventy-three million, three hundred thirty-five thousand, four hundred eight".