49456615824 has 720 divisors, whose sum is σ = 187292012544. Its totient is φ = 12261196800.

The previous prime is 49456615811. The next prime is 49456615861. The reversal of 49456615824 is 42851665494.

It is a happy number.

49456615824 is a `hidden beast` number, since 4 + 9 + 4 + 56 + 6 + 1 + 582 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 677487852 + ... + 677487924.

Almost surely, 2^49456615824 is an apocalyptic number.

49456615824 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49456615824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93646006272).

49456615824 is an abundant number, since it is smaller than the sum of its proper divisors (137835396720).

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

49456615824 is a wasteful number, since it uses less digits than its factorization.

49456615824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 127 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 49456615824 in words is "forty-nine billion, four hundred fifty-six million, six hundred fifteen thousand, eight hundred twenty-four".