49945047152 has 160 divisors (see below), whose sum is σ = 130187334144. Its totient is φ = 17926272000.

The previous prime is 49945047109. The next prime is 49945047181. The reversal of 49945047152 is 25174054994.

It is a super-2 number, since 2×49945047152² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 49945047152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8757902 + ... + 8763602.

Almost surely, 2^49945047152 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 49945047152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65093667072).

49945047152 is an abundant number, since it is smaller than the sum of its proper divisors (80242286992).

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

49945047152 is a wasteful number, since it uses less digits than its factorization.

49945047152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 49945047152 in words is "forty-nine billion, nine hundred forty-five million, forty-seven thousand, one hundred fifty-two".