40172576 has 12 divisors (see below), whose sum is σ = 79089822. Its totient is φ = 20086272.

The previous prime is 40172551. The next prime is 40172599. The reversal of 40172576 is 67527104.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 12082576 = 5300^2 + 3476^2 .

It is a super-2 number, since 2×40172576² = 3227671724951552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1255393 = 40172576 / (4 + 0 + 1 + 7 + 2 + 5 + 7 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627665 + ... + 627728.

Almost surely, 2^40172576 is an apocalyptic number.

It is an amenable number.

40172576 is a deficient number, since it is larger than the sum of its proper divisors (38917246).

40172576 is a wasteful number, since it uses less digits than its factorization.

40172576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255403 (or 1255395 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 40172576 is about 6338.1839670366. The cubic root of 40172576 is about 342.4863183836.

The spelling of 40172576 in words is "forty million, one hundred seventy-two thousand, five hundred seventy-six".