40024444 has 6 divisors (see below), whose sum is σ = 70042784. Its totient is φ = 20012220.

The previous prime is 40024433. The next prime is 40024447. The reversal of 40024444 is 44442004.

It is a super-2 number, since 2×40024444² = 3203912235018272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003052 + ... + 5003059.

Almost surely, 2^40024444 is an apocalyptic number.

It is an amenable number.

40024444 is a deficient number, since it is larger than the sum of its proper divisors (30018340).

40024444 is a wasteful number, since it uses less digits than its factorization.

40024444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006115 (or 10006113 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 40024444 is about 6326.4874930723. The cubic root of 40024444 is about 342.0648395696.

Adding to 40024444 its reverse (44442004), we get a palindrome (84466448).

The spelling of 40024444 in words is "forty million, twenty-four thousand, four hundred forty-four".