46172140 has 24 divisors (see below), whose sum is σ = 110813472. Its totient is φ = 15830400.

The previous prime is 46172131. The next prime is 46172173. The reversal of 46172140 is 4127164.

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, 164761 + ... + 165040.

It is an arithmetic number, because the mean of its divisors is an integer number (4617228).

Almost surely, 2^46172140 is an apocalyptic number.

It is an amenable number.

46172140 is an abundant number, since it is smaller than the sum of its proper divisors (64641332).

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

46172140 is a wasteful number, since it uses less digits than its factorization.

46172140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329817 (or 329815 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 46172140 is about 6795.0084620992. The cubic root of 46172140 is about 358.7511770166.

The spelling of 46172140 in words is "forty-six million, one hundred seventy-two thousand, one hundred forty".