40024402 has 16 divisors (see below), whose sum is σ = 66326400. Its totient is φ = 17961840.

The previous prime is 40024399. The next prime is 40024421. The reversal of 40024402 is 20442004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9777 + ... + 13252.

It is an arithmetic number, because the mean of its divisors is an integer number (4145400).

Almost surely, 2^40024402 is an apocalyptic number.

40024402 is a deficient number, since it is larger than the sum of its proper divisors (26301998).

40024402 is a wasteful number, since it uses less digits than its factorization.

40024402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23121.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40024402 is about 6326.4841736939. The cubic root of 40024402 is about 342.0647199200.

Adding to 40024402 its reverse (20442004), we get a palindrome (60466406).

The spelling of 40024402 in words is "forty million, twenty-four thousand, four hundred two".