40024244 has 24 divisors (see below), whose sum is σ = 76392960. Its totient is φ = 18237024.

The previous prime is 40024183. The next prime is 40024247. The reversal of 40024244 is 44242004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024247) 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, 764 + ... + 8979.

It is an arithmetic number, because the mean of its divisors is an integer number (3183040).

Almost surely, 2^40024244 is an apocalyptic number.

It is an amenable number.

40024244 is a deficient number, since it is larger than the sum of its proper divisors (36368716).

40024244 is a wasteful number, since it uses less digits than its factorization.

40024244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839 (or 9837 counting only the distinct ones).

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

The square root of 40024244 is about 6326.4716864932. The cubic root of 40024244 is about 342.0642698087.

Adding to 40024244 its reverse (44242004), we get a palindrome (84266248).

The spelling of 40024244 in words is "forty million, twenty-four thousand, two hundred forty-four".