40190570506 has 4 divisors (see below), whose sum is σ = 60285855762. Its totient is φ = 20095285252.

The previous prime is 40190570429. The next prime is 40190570513. The reversal of 40190570506 is 60507509104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34586700625 + 5603869881 = 185975^2 + 74859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10047642625 + ... + 10047642628.

Almost surely, 2^40190570506 is an apocalyptic number.

40190570506 is a deficient number, since it is larger than the sum of its proper divisors (20095285256).

40190570506 is a wasteful number, since it uses less digits than its factorization.

40190570506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20095285255.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 40190570506 in words is "forty billion, one hundred ninety million, five hundred seventy thousand, five hundred six".