49220595648 has 336 divisors, whose sum is σ = 169027754400. Its totient is φ = 14004264960.

The previous prime is 49220595581. The next prime is 49220595661. The reversal of 49220595648 is 84659502294.

49220595648 is a `hidden beast` number, since 4 + 9 + 2 + 2 + 0 + 595 + 6 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a junction number, because it is equal to n+sod(n) for n = 49220595594 and 49220595603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22775688 + ... + 22777848.

Almost surely, 2^49220595648 is an apocalyptic number.

49220595648 is a gapful number since it is divisible by the number (48) 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 49220595648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84513877200).

49220595648 is an abundant number, since it is smaller than the sum of its proper divisors (119807158752).

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

49220595648 is a wasteful number, since it uses less digits than its factorization.

49220595648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 49220595648 in words is "forty-nine billion, two hundred twenty million, five hundred ninety-five thousand, six hundred forty-eight".