40872244 has 24 divisors (see below), whose sum is σ = 83740608. Its totient is φ = 17088960.

The previous prime is 40872239. The next prime is 40872253. The reversal of 40872244 is 44227804.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 16654 + ... + 18949.

It is an arithmetic number, because the mean of its divisors is an integer number (3489192).

Almost surely, 2^40872244 is an apocalyptic number.

It is an amenable number.

40872244 is an abundant number, since it is smaller than the sum of its proper divisors (42868364).

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

40872244 is a wasteful number, since it uses less digits than its factorization.

40872244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35655 (or 35653 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 40872244 is about 6393.1403863829. The cubic root of 40872244 is about 344.4631965588.

The spelling of 40872244 in words is "forty million, eight hundred seventy-two thousand, two hundred forty-four".