46128180 has 48 divisors (see below), whose sum is σ = 147611520. Its totient is φ = 10543488.

The previous prime is 46128167. The next prime is 46128193. The reversal of 46128180 is 8182164.

It is an interprime number because it is at equal distance from previous prime (46128167) and next prime (46128193).

It is a super-2 number, since 2×46128180² = 4255617980224800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54495 + ... + 55334.

It is an arithmetic number, because the mean of its divisors is an integer number (3075240).

Almost surely, 2^46128180 is an apocalyptic number.

It is an amenable number.

46128180 is an abundant number, since it is smaller than the sum of its proper divisors (101483340).

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

46128180 is a wasteful number, since it uses less digits than its factorization.

46128180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109848 (or 109846 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 46128180 is about 6791.7729644033. The cubic root of 46128180 is about 358.6372864798.

The spelling of 46128180 in words is "forty-six million, one hundred twenty-eight thousand, one hundred eighty".