18475890652450 has 96 divisors (see below), whose sum is σ = 43260841128960. Its totient is φ = 5702809147200.

The previous prime is 18475890652433. The next prime is 18475890652469. The reversal of 18475890652450 is 5425609857481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22899240 + ... + 23692339.

It is an arithmetic number, because the mean of its divisors is an integer number (450633761760).

Almost surely, 2^{18475890652450} is an apocalyptic number.

18475890652450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18475890652450 is an abundant number, since it is smaller than the sum of its proper divisors (24784950476510).

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

18475890652450 is a wasteful number, since it uses less digits than its factorization.

18475890652450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46591712 (or 46591707 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 64.

The spelling of 18475890652450 in words is "eighteen trillion, four hundred seventy-five billion, eight hundred ninety million, six hundred fifty-two thousand, four hundred fifty".