47809515456 has 42 divisors (see below), whose sum is σ = 137037345432. Its totient is φ = 15936504960.

The previous prime is 47809515431. The next prime is 47809515461. The reversal of 47809515456 is 65451590874.

It is a happy number.

47809515456 is a `hidden beast` number, since 4 + 7 + 8 + 0 + 95 + 1 + 545 + 6 = 666.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 41500740 + ... + 41501891.

Almost surely, 2^47809515456 is an apocalyptic number.

It is an amenable number.

47809515456 is an abundant number, since it is smaller than the sum of its proper divisors (89227829976).

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

47809515456 is a wasteful number, since it uses less digits than its factorization.

47809515456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83002649 (or 83002636 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 47809515456 in words is "forty-seven billion, eight hundred nine million, five hundred fifteen thousand, four hundred fifty-six".