40224044 has 24 divisors (see below), whose sum is σ = 83223840. Its totient is φ = 16644096.

The previous prime is 40224031. The next prime is 40224047. The reversal of 40224044 is 44042204.

It is not an unprimeable number, because it can be changed into a prime (40224047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23957 + ... + 25580.

It is an arithmetic number, because the mean of its divisors is an integer number (3467660).

Almost surely, 2^40224044 is an apocalyptic number.

It is an amenable number.

40224044 is an abundant number, since it is smaller than the sum of its proper divisors (42999796).

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

40224044 is a wasteful number, since it uses less digits than its factorization.

40224044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49577 (or 49575 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 40224044 is about 6342.2428209585. The cubic root of 40224044 is about 342.6325173180.

Adding to 40224044 its reverse (44042204), we get a palindrome (84266248).

The spelling of 40224044 in words is "forty million, two hundred twenty-four thousand, forty-four".