40170572 has 24 divisors (see below), whose sum is σ = 75941376. Its totient is φ = 18482688.

The previous prime is 40170569. The next prime is 40170623. The reversal of 40170572 is 27507104.

It is a super-2 number, since 2×40170572² = 3227349709614368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 18908 + ... + 20924.

It is an arithmetic number, because the mean of its divisors is an integer number (3164224).

Almost surely, 2^40170572 is an apocalyptic number.

It is an amenable number.

40170572 is a deficient number, since it is larger than the sum of its proper divisors (35770804).

40170572 is a wasteful number, since it uses less digits than its factorization.

40170572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 40170572 is about 6338.0258756177. The cubic root of 40170572 is about 342.4806233377.

Adding to 40170572 its reverse (27507104), we get a palindrome (67677676).

The spelling of 40170572 in words is "forty million, one hundred seventy thousand, five hundred seventy-two".