180413428 has 24 divisors (see below), whose sum is σ = 350981120. Its totient is φ = 80580960.

The previous prime is 180413419. The next prime is 180413447. The reversal of 180413428 is 824314081.

180413428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180413428² = 65098010005422368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 180413428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54348 + ... + 57571.

Almost surely, 2^180413428 is an apocalyptic number.

It is an amenable number.

180413428 is a deficient number, since it is larger than the sum of its proper divisors (170567692).

180413428 is a wasteful number, since it uses less digits than its factorization.

180413428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111967 (or 111965 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 180413428 is about 13431.8065799058. The cubic root of 180413428 is about 565.0535652873.

The spelling of 180413428 in words is "one hundred eighty million, four hundred thirteen thousand, four hundred twenty-eight".