49591743264 has 144 divisors (see below), whose sum is σ = 167142725568. Its totient is φ = 14169053952.

The previous prime is 49591743263. The next prime is 49591743281. The reversal of 49591743264 is 46234719594.

49591743264 is a `hidden beast` number, since 4 + 9 + 591 + 7 + 43 + 2 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 49591743264.

It is not an unprimeable number, because it can be changed into a prime (49591743263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401107 + ... + 509970.

It is an arithmetic number, because the mean of its divisors is an integer number (1160713372).

Almost surely, 2^49591743264 is an apocalyptic number.

It is an amenable number.

49591743264 is an abundant number, since it is smaller than the sum of its proper divisors (117550982304).

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

49591743264 is an equidigital number, since it uses as much as digits as its factorization.

49591743264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911109 (or 911089 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 49591743264 in words is "forty-nine billion, five hundred ninety-one million, seven hundred forty-three thousand, two hundred sixty-four".