49236826464 has 144 divisors (see below), whose sum is σ = 161436536352. Its totient is φ = 13943107584.

The previous prime is 49236826403. The next prime is 49236826481. The reversal of 49236826464 is 46462863294.

49236826464 is a `hidden beast` number, since 492 + 36 + 8 + 2 + 64 + 64 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 49236826464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119742 + ... + 335874.

It is an arithmetic number, because the mean of its divisors is an integer number (1121087058).

Almost surely, 2^49236826464 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 49236826464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80718268176).

49236826464 is an abundant number, since it is smaller than the sum of its proper divisors (112199709888).

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

49236826464 is a wasteful number, since it uses less digits than its factorization.

49236826464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216269 (or 216258 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The spelling of 49236826464 in words is "forty-nine billion, two hundred thirty-six million, eight hundred twenty-six thousand, four hundred sixty-four".