250741650408 has 128 divisors (see below), whose sum is σ = 644773478400. Its totient is φ = 81223623936.

The previous prime is 250741650389. The next prime is 250741650413. The reversal of 250741650408 is 804056147052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 250741650408.

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, 158796963 + ... + 158798541.

It is an arithmetic number, because the mean of its divisors is an integer number (5037292800).

Almost surely, 2^250741650408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250741650408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322386739200).

250741650408 is an abundant number, since it is smaller than the sum of its proper divisors (394031827992).

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

250741650408 is a wasteful number, since it uses less digits than its factorization.

250741650408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 250741650408 in words is "two hundred fifty billion, seven hundred forty-one million, six hundred fifty thousand, four hundred eight".