46117980 has 36 divisors (see below), whose sum is σ = 139891752. Its totient is φ = 12298080.

The previous prime is 46117949. The next prime is 46117993. The reversal of 46117980 is 8971164.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 127926 + ... + 128285.

It is an arithmetic number, because the mean of its divisors is an integer number (3885882).

Almost surely, 2^46117980 is an apocalyptic number.

It is an amenable number.

46117980 is an abundant number, since it is smaller than the sum of its proper divisors (93773772).

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

46117980 is a wasteful number, since it uses less digits than its factorization.

46117980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256226 (or 256221 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 46117980 is about 6791.0220143952. The cubic root of 46117980 is about 358.6108502176.

The spelling of 46117980 in words is "forty-six million, one hundred seventeen thousand, nine hundred eighty".