185313833480 has 16 divisors (see below), whose sum is σ = 416956125420. Its totient is φ = 74125533376.

The previous prime is 185313833459. The next prime is 185313833491. The reversal of 185313833480 is 84338313581.

It can be written as a sum of positive squares in 2 ways, for example, as 157604236036 + 27709597444 = 396994^2 + 166462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2316422879 + ... + 2316422958.

Almost surely, 2^185313833480 is an apocalyptic number.

185313833480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185313833480 is an abundant number, since it is smaller than the sum of its proper divisors (231642291940).

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

185313833480 is a wasteful number, since it uses less digits than its factorization.

185313833480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632845848 (or 4632845844 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 185313833480 in words is "one hundred eighty-five billion, three hundred thirteen million, eight hundred thirty-three thousand, four hundred eighty".