49233947137920 has 384 divisors, whose sum is σ = 180969729876000. Its totient is φ = 12298294001664.

The previous prime is 49233947137807. The next prime is 49233947137951. The reversal of 49233947137920 is 2973174933294.

It is a happy number.

49233947137920 is a `hidden beast` number, since 4 + 9 + 23 + 394 + 7 + 137 + 92 + 0 = 666.

49233947137920 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7212792 + ... + 12267528.

Almost surely, 2^{49233947137920} is an apocalyptic number.

49233947137920 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 49233947137920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90484864938000).

49233947137920 is an abundant number, since it is smaller than the sum of its proper divisors (131735782738080).

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

49233947137920 is a wasteful number, since it uses less digits than its factorization.

49233947137920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054870 (or 5054855 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 63.

The spelling of 49233947137920 in words is "forty-nine trillion, two hundred thirty-three billion, nine hundred forty-seven million, one hundred thirty-seven thousand, nine hundred twenty".