8056640494 has 8 divisors (see below), whose sum is σ = 13811383728. Its totient is φ = 3452845920.

The previous prime is 8056640479. The next prime is 8056640549. The reversal of 8056640494 is 4940466508.

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

It is a super-3 number, since 3×8056640494³ (a number of 31 digits) contains 333 as substring.

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, 287737147 + ... + 287737174.

It is an arithmetic number, because the mean of its divisors is an integer number (1726422966).

Almost surely, 2^8056640494 is an apocalyptic number.

8056640494 is a deficient number, since it is larger than the sum of its proper divisors (5754743234).

8056640494 is a wasteful number, since it uses less digits than its factorization.

8056640494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575474330.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 8056640494 is about 89758.7906224232. The cubic root of 8056640494 is about 2004.7089453819.

The spelling of 8056640494 in words is "eight billion, fifty-six million, six hundred forty thousand, four hundred ninety-four".