40012576 has 24 divisors (see below), whose sum is σ = 81493020. Its totient is φ = 19315968.

The previous prime is 40012573. The next prime is 40012589. The reversal of 40012576 is 67521004.

It can be written as a sum of positive squares in 2 ways, for example, as 39992976 + 19600 = 6324^2 + 140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40012576.

It is not an unprimeable number, because it can be changed into a prime (40012573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20631 + ... + 22486.

Almost surely, 2^40012576 is an apocalyptic number.

It is an amenable number.

40012576 is an abundant number, since it is smaller than the sum of its proper divisors (41480444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40012576 is a wasteful number, since it uses less digits than its factorization.

40012576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43156 (or 43148 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40012576 is about 6325.5494622997. The cubic root of 40012576 is about 342.0310266757.

The spelling of 40012576 in words is "forty million, twelve thousand, five hundred seventy-six".