40202564 has 6 divisors (see below), whose sum is σ = 70354494. Its totient is φ = 20101280.

The previous prime is 40202563. The next prime is 40202587. The reversal of 40202564 is 46520204.

It can be written as a sum of positive squares in only one way, i.e., 29246464 + 10956100 = 5408^2 + 3310^2 .

It is not an unprimeable number, because it can be changed into a prime (40202563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025317 + ... + 5025324.

It is an arithmetic number, because the mean of its divisors is an integer number (11725749).

Almost surely, 2^40202564 is an apocalyptic number.

It is an amenable number.

40202564 is a deficient number, since it is larger than the sum of its proper divisors (30151930).

40202564 is a wasteful number, since it uses less digits than its factorization.

40202564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050645 (or 10050643 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40202564 is about 6340.5491875704. The cubic root of 40202564 is about 342.5715168468.

Adding to 40202564 its reverse (46520204), we get a palindrome (86722768).

The spelling of 40202564 in words is "forty million, two hundred two thousand, five hundred sixty-four".