49946893920 has 480 divisors, whose sum is σ = 219770724096. Its totient is φ = 10378368000.

The previous prime is 49946893901. The next prime is 49946893949. The reversal of 49946893920 is 2939864994.

It is a happy number.

49946893920 is a `hidden beast` number, since 499 + 46 + 89 + 3 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 972895 + ... + 1022945.

Almost surely, 2^49946893920 is an apocalyptic number.

49946893920 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 49946893920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109885362048).

49946893920 is an abundant number, since it is smaller than the sum of its proper divisors (169823830176).

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

49946893920 is a wasteful number, since it uses less digits than its factorization.

49946893920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50096 (or 50079 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 49946893920 in words is "forty-nine billion, nine hundred forty-six million, eight hundred ninety-three thousand, nine hundred twenty".