49661024256 has 144 divisors (see below), whose sum is σ = 143700855480. Its totient is φ = 16522444800.

The previous prime is 49661024207. The next prime is 49661024269. The reversal of 49661024256 is 65242016694.

49661024256 is a `hidden beast` number, since 4 + 9 + 6 + 610 + 2 + 4 + 25 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11075391 + ... + 11079873.

Almost surely, 2^49661024256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49661024256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850427740).

49661024256 is an abundant number, since it is smaller than the sum of its proper divisors (94039831224).

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

49661024256 is a wasteful number, since it uses less digits than its factorization.

49661024256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112 (or 5089 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 49661024256 in words is "forty-nine billion, six hundred sixty-one million, twenty-four thousand, two hundred fifty-six".