49371275520 has 720 divisors, whose sum is σ = 205496565120. Its totient is φ = 11083972608.

The previous prime is 49371275507. The next prime is 49371275561. The reversal of 49371275520 is 2557217394.

It is a happy number.

49371275520 is a `hidden beast` number, since 4 + 9 + 3 + 71 + 27 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 42819264 + ... + 42820416.

It is an arithmetic number, because the mean of its divisors is an integer number (285411896).

Almost surely, 2^49371275520 is an apocalyptic number.

49371275520 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 49371275520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102748282560).

49371275520 is an abundant number, since it is smaller than the sum of its proper divisors (156125289600).

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

49371275520 is a wasteful number, since it uses less digits than its factorization.

49371275520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 49371275520 in words is "forty-nine billion, three hundred seventy-one million, two hundred seventy-five thousand, five hundred twenty".