49787550720 has 308 divisors, whose sum is σ = 179079174840. Its totient is φ = 13275684864.

The previous prime is 49787550707. The next prime is 49787550749. The reversal of 49787550720 is 2705578794.

It is a happy number.

49787550720 is a `hidden beast` number, since 4 + 9 + 7 + 87 + 550 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3725811 + ... + 3739149.

Almost surely, 2^49787550720 is an apocalyptic number.

49787550720 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 49787550720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89539587420).

49787550720 is an abundant number, since it is smaller than the sum of its proper divisors (129291624120).

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

49787550720 is an equidigital number, since it uses as much as digits as its factorization.

49787550720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382 (or 13349 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 49787550720 in words is "forty-nine billion, seven hundred eighty-seven million, five hundred fifty thousand, seven hundred twenty".