40309866576036 has 36 divisors (see below), whose sum is σ = 101920319237100. Its totient is φ = 13433202286848.

The previous prime is 40309866576011. The next prime is 40309866576047. The reversal of 40309866576036 is 63067566890304.

It is a happy number.

40309866576036 is a `hidden beast` number, since 403 + 0 + 9 + 86 + 65 + 7 + 60 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20391943873536 + 19917922702500 = 4515744^2 + 4462950^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142352641 + ... + 142635528.

Almost surely, 2^{40309866576036} is an apocalyptic number.

It is an amenable number.

40309866576036 is an abundant number, since it is smaller than the sum of its proper divisors (61610452661064).

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

40309866576036 is a wasteful number, since it uses less digits than its factorization.

40309866576036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284992108 (or 284992103 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 40309866576036 in words is "forty trillion, three hundred nine billion, eight hundred sixty-six million, five hundred seventy-six thousand, thirty-six".