40522004 has 12 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 20246808.

The previous prime is 40521989. The next prime is 40522061. The reversal of 40522004 is 40022504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5357 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (5913600).

Almost surely, 2^40522004 is an apocalyptic number.

It is an amenable number.

40522004 is a deficient number, since it is larger than the sum of its proper divisors (30441196).

40522004 is a wasteful number, since it uses less digits than its factorization.

40522004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102 (or 7100 counting only the distinct ones).

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

The square root of 40522004 is about 6365.6895934376. The cubic root of 40522004 is about 343.4764548201.

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

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

The spelling of 40522004 in words is "forty million, five hundred twenty-two thousand, four".