538233572844 has 90 divisors (see below), whose sum is σ = 1535087327004. Its totient is φ = 163087810560.

The previous prime is 538233572831. The next prime is 538233572869. The reversal of 538233572844 is 448275332835.

538233572844 is a `hidden beast` number, since 5 + 3 + 8 + 2 + 3 + 357 + 284 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 43791852 + ... + 43804140.

Almost surely, 2^538233572844 is an apocalyptic number.

538233572844 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

538233572844 is an abundant number, since it is smaller than the sum of its proper divisors (996853754160).

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

538233572844 is an equidigital number, since it uses as much as digits as its factorization.

538233572844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24605 (or 12305 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 54.

The spelling of 538233572844 in words is "five hundred thirty-eight billion, two hundred thirty-three million, five hundred seventy-two thousand, eight hundred forty-four".