40244432 has 20 divisors (see below), whose sum is σ = 82078080. Its totient is φ = 19063008.

The previous prime is 40244387. The next prime is 40244441. The reversal of 40244432 is 23444204.

It is a super-2 number, since 2×40244432² = 3239228614005248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40244398 and 40244407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65888 + ... + 66495.

It is an arithmetic number, because the mean of its divisors is an integer number (4103904).

Almost surely, 2^40244432 is an apocalyptic number.

It is an amenable number.

40244432 is an abundant number, since it is smaller than the sum of its proper divisors (41833648).

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

40244432 is a wasteful number, since it uses less digits than its factorization.

40244432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132410 (or 132404 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 40244432 is about 6343.8499351734. The cubic root of 40244432 is about 342.6903965627.

Adding to 40244432 its reverse (23444204), we get a palindrome (63688636).

The spelling of 40244432 in words is "forty million, two hundred forty-four thousand, four hundred thirty-two".