40244831 has 32 divisors (see below), whose sum is σ = 50181120. Its totient is φ = 31795200.

The previous prime is 40244803. The next prime is 40244833. The reversal of 40244831 is 13844204.

It is a cyclic number.

It is not a de Polignac number, because 40244831 - 2¹⁸ = 39982687 is a prime.

It is a super-2 number, since 2×40244831² = 3239292844437122, which contains 22 as substring.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 40244831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166871 + ... + 167111.

It is an arithmetic number, because the mean of its divisors is an integer number (1568160).

Almost surely, 2^40244831 is an apocalyptic number.

40244831 is a deficient number, since it is larger than the sum of its proper divisors (9936289).

40244831 is a wasteful number, since it uses less digits than its factorization.

40244831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 40244831 is about 6343.8813828759. The cubic root of 40244831 is about 342.6915290839.

The spelling of 40244831 in words is "forty million, two hundred forty-four thousand, eight hundred thirty-one".