40124564 has 6 divisors (see below), whose sum is σ = 70217994. Its totient is φ = 20062280.

The previous prime is 40124537. The next prime is 40124597. The reversal of 40124564 is 46542104.

It can be written as a sum of positive squares in only one way, i.e., 20322064 + 19802500 = 4508^2 + 4450^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015567 + ... + 5015574.

It is an arithmetic number, because the mean of its divisors is an integer number (11702999).

Almost surely, 2^40124564 is an apocalyptic number.

It is an amenable number.

40124564 is a deficient number, since it is larger than the sum of its proper divisors (30093430).

40124564 is a wasteful number, since it uses less digits than its factorization.

40124564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031145 (or 10031143 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40124564 is about 6334.3953144716. The cubic root of 40124564 is about 342.3498238736.

Adding to 40124564 its reverse (46542104), we get a palindrome (86666668).

The spelling of 40124564 in words is "forty million, one hundred twenty-four thousand, five hundred sixty-four".