18085754502 has 24 divisors (see below), whose sum is σ = 39249335736. Its totient is φ = 6018810336.

The previous prime is 18085754471. The next prime is 18085754539. The reversal of 18085754502 is 20545758081.

18085754502 is a `hidden beast` number, since 18 + 0 + 85 + 7 + 54 + 502 = 666.

It is a super-2 number, since 2×18085754502² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803128 + ... + 825339.

It is an arithmetic number, because the mean of its divisors is an integer number (1635388989).

Almost surely, 2^18085754502 is an apocalyptic number.

18085754502 is an abundant number, since it is smaller than the sum of its proper divisors (21163581234).

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

18085754502 is a wasteful number, since it uses less digits than its factorization.

18085754502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629092 (or 1629089 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 18085754502 in words is "eighteen billion, eighty-five million, seven hundred fifty-four thousand, five hundred two".