40131602 has 8 divisors (see below), whose sum is σ = 68797056. Its totient is φ = 17199252.

The previous prime is 40131601. The next prime is 40131607. The reversal of 40131602 is 20613104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40131602² = 3221090958172808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433258 + ... + 1433285.

It is an arithmetic number, because the mean of its divisors is an integer number (8599632).

Almost surely, 2^40131602 is an apocalyptic number.

40131602 is a deficient number, since it is larger than the sum of its proper divisors (28665454).

40131602 is a wasteful number, since it uses less digits than its factorization.

40131602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866552.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40131602 is about 6334.9508285385. The cubic root of 40131602 is about 342.3698391872.

Adding to 40131602 its reverse (20613104), we get a palindrome (60744706).

The spelling of 40131602 in words is "forty million, one hundred thirty-one thousand, six hundred two".