40872180 has 48 divisors (see below), whose sum is σ = 114738624. Its totient is φ = 10871040.

The previous prime is 40872179. The next prime is 40872197. The reversal of 40872180 is 8127804.

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, 33664 + ... + 34856.

It is an arithmetic number, because the mean of its divisors is an integer number (2390388).

Almost surely, 2^40872180 is an apocalyptic number.

It is an amenable number.

40872180 is an abundant number, since it is smaller than the sum of its proper divisors (73866444).

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

40872180 is a wasteful number, since it uses less digits than its factorization.

40872180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 40872180 is about 6393.1353810161. The cubic root of 40872180 is about 344.4630167656.

Adding to 40872180 its reverse (8127804), we get a palindrome (48999984).

The spelling of 40872180 in words is "forty million, eight hundred seventy-two thousand, one hundred eighty".