40022504 has 16 divisors (see below), whose sum is σ = 75772320. Its totient is φ = 19816560.

The previous prime is 40022503. The next prime is 40022509. The reversal of 40022504 is 40522004.

It is not an unprimeable number, because it can be changed into a prime (40022501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23462 + ... + 25109.

It is an arithmetic number, because the mean of its divisors is an integer number (4735770).

Almost surely, 2^40022504 is an apocalyptic number.

It is an amenable number.

40022504 is a deficient number, since it is larger than the sum of its proper divisors (35749816).

40022504 is a wasteful number, since it uses less digits than its factorization.

40022504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48680 (or 48676 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40022504 is about 6326.3341675887. The cubic root of 40022504 is about 342.0593128094.

Adding to 40022504 its reverse (40522004), we get a palindrome (80544508).

Subtracting 40022504 from its reverse (40522004), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 40022504 in words is "forty million, twenty-two thousand, five hundred four".