49965570432 has 192 divisors, whose sum is σ = 146664563760. Its totient is φ = 16323194880.

The previous prime is 49965570427. The next prime is 49965570439. The reversal of 49965570432 is 23407556994.

49965570432 is a `hidden beast` number, since 4 + 9 + 9 + 65 + 570 + 4 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49965570439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22275103 + ... + 22277345.

Almost surely, 2^49965570432 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 49965570432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73332281880).

49965570432 is an abundant number, since it is smaller than the sum of its proper divisors (96698993328).

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

49965570432 is a wasteful number, since it uses less digits than its factorization.

49965570432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 49965570432 in words is "forty-nine billion, nine hundred sixty-five million, five hundred seventy thousand, four hundred thirty-two".