40036400647274 has 8 divisors (see below), whose sum is σ = 60054814902180. Its totient is φ = 20018129013216.

The previous prime is 40036400647261. The next prime is 40036400647381. The reversal of 40036400647274 is 47274600463004.

It can be written as a sum of positive squares in 2 ways, for example, as 33260307480625 + 6776093166649 = 5767175^2 + 2603093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 34950629 + ... + 36077960.

Almost surely, 2^{40036400647274} is an apocalyptic number.

40036400647274 is a deficient number, since it is larger than the sum of its proper divisors (20018414254906).

40036400647274 is a wasteful number, since it uses less digits than its factorization.

40036400647274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71310424.

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 40036400647274 in words is "forty trillion, thirty-six billion, four hundred million, six hundred forty-seven thousand, two hundred seventy-four".