40425764 has 12 divisors (see below), whose sum is σ = 70854924. Its totient is φ = 20181504.

The previous prime is 40425761. The next prime is 40425769. The reversal of 40425764 is 46752404.

It can be written as a sum of positive squares in 2 ways, for example, as 13468900 + 26956864 = 3670^2 + 5192^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40425764.

It is not an unprimeable number, because it can be changed into a prime (40425761) 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 in 3 ways as a sum of consecutive naturals, for example, 4817 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (5904577).

Almost surely, 2^40425764 is an apocalyptic number.

It is an amenable number.

40425764 is a deficient number, since it is larger than the sum of its proper divisors (30429160).

40425764 is a wasteful number, since it uses less digits than its factorization.

40425764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15694 (or 15692 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 40425764 is about 6358.1258244863. The cubic root of 40425764 is about 343.2043197258.

The spelling of 40425764 in words is "forty million, four hundred twenty-five thousand, seven hundred sixty-four".