49926445920 has 1152 divisors, whose sum is σ = 213983078400. Its totient is φ = 10452271104.

The previous prime is 49926445871. The next prime is 49926445949. The reversal of 49926445920 is 2954462994.

49926445920 is a `hidden beast` number, since 4 + 9 + 9 + 2 + 6 + 44 + 592 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 139070701 + ... + 139071059.

It is an arithmetic number, because the mean of its divisors is an integer number (185749200).

Almost surely, 2^49926445920 is an apocalyptic number.

49926445920 is a gapful number since it is divisible by the number (40) 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 49926445920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106991539200).

49926445920 is an abundant number, since it is smaller than the sum of its proper divisors (164056632480).

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

49926445920 is a wasteful number, since it uses less digits than its factorization.

49926445920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 49926445920 in words is "forty-nine billion, nine hundred twenty-six million, four hundred forty-five thousand, nine hundred twenty".