250747749120 has 288 divisors, whose sum is σ = 879435938304. Its totient is φ = 60383232000.

The previous prime is 250747749089. The next prime is 250747749143. The reversal of 250747749120 is 21947747052.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 250747749120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6358584 + ... + 6397896.

It is an arithmetic number, because the mean of its divisors is an integer number (3053597008).

Almost surely, 2^250747749120 is an apocalyptic number.

250747749120 is a gapful number since it is divisible by the number (20) 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 250747749120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439717969152).

250747749120 is an abundant number, since it is smaller than the sum of its proper divisors (628688189184).

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

250747749120 is a wasteful number, since it uses less digits than its factorization.

250747749120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39499 (or 39485 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 250747749120 in words is "two hundred fifty billion, seven hundred forty-seven million, seven hundred forty-nine thousand, one hundred twenty".