40570900658 has 6 divisors (see below), whose sum is σ = 60856778271. Its totient is φ = 20285307902.

The previous prime is 40570900613. The next prime is 40570900663. The reversal of 40570900658 is 85600907504.

It can be written as a sum of positive squares in only one way, i.e., 20285450329 + 20285450329 = 142427^2 + 142427^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=142427.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 213641 + ... + 356067.

Almost surely, 2^40570900658 is an apocalyptic number.

40570900658 is a deficient number, since it is larger than the sum of its proper divisors (20285877613).

40570900658 is an frugal number, since it uses more digits than its factorization.

40570900658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284856 (or 142429 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 40570900658 in words is "forty billion, five hundred seventy million, nine hundred thousand, six hundred fifty-eight".