40546579712 has 36 divisors (see below), whose sum is σ = 80953590900. Its totient is φ = 20268576768.

The previous prime is 40546579681. The next prime is 40546579763. The reversal of 40546579712 is 21797564504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23391867136 + 17154712576 = 152944^2 + 130976^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257164 + ... + 1289012.

Almost surely, 2^40546579712 is an apocalyptic number.

It is an amenable number.

40546579712 is a deficient number, since it is larger than the sum of its proper divisors (40407011188).

40546579712 is an equidigital number, since it uses as much as digits as its factorization.

40546579712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36838 (or 36824 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 40546579712 in words is "forty billion, five hundred forty-six million, five hundred seventy-nine thousand, seven hundred twelve".