40163572 has 12 divisors (see below), whose sum is σ = 70644420. Its totient is φ = 19979456.

The previous prime is 40163567. The next prime is 40163581. The reversal of 40163572 is 27536104.

40163572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25140196 + 15023376 = 5014^2 + 3876^2 .

It is a super-2 number, since 2×40163572² = 3226225031598368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40163572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24697 + ... + 26272.

It is an arithmetic number, because the mean of its divisors is an integer number (5887035).

Almost surely, 2^40163572 is an apocalyptic number.

It is an amenable number.

40163572 is a deficient number, since it is larger than the sum of its proper divisors (30480848).

40163572 is a wasteful number, since it uses less digits than its factorization.

40163572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51170 (or 51168 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 40163572 is about 6337.4736291365. The cubic root of 40163572 is about 342.4607289763.

Adding to 40163572 its reverse (27536104), we get a palindrome (67699676).

The spelling of 40163572 in words is "forty million, one hundred sixty-three thousand, five hundred seventy-two".