49492609920 has 384 divisors, whose sum is σ = 185187038400. Its totient is φ = 12179681280.

The previous prime is 49492609889. The next prime is 49492609939. The reversal of 49492609920 is 2990629494.

49492609920 is a `hidden beast` number, since 4 + 9 + 4 + 9 + 2 + 609 + 9 + 20 = 666.

49492609920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

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, 12652765 + ... + 12656675.

Almost surely, 2^49492609920 is an apocalyptic number.

49492609920 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 49492609920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92593519200).

49492609920 is an abundant number, since it is smaller than the sum of its proper divisors (135694428480).

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

49492609920 is a wasteful number, since it uses less digits than its factorization.

49492609920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 49492609920 in words is "forty-nine billion, four hundred ninety-two million, six hundred nine thousand, nine hundred twenty".