250125778416 has 20 divisors (see below), whose sum is σ = 646158261032. Its totient is φ = 83375259456.

The previous prime is 250125778403. The next prime is 250125778451. The reversal of 250125778416 is 614877521052.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5210953717 = 250125778416 / (2 + 5 + 0 + 1 + 2 + 5 + 7 + 7 + 8 + 4 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2605476811 + ... + 2605476906.

Almost surely, 2^250125778416 is an apocalyptic number.

It is an amenable number.

250125778416 is an abundant number, since it is smaller than the sum of its proper divisors (396032482616).

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

250125778416 is a wasteful number, since it uses less digits than its factorization.

250125778416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210953728 (or 5210953722 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 250125778416 in words is "two hundred fifty billion, one hundred twenty-five million, seven hundred seventy-eight thousand, four hundred sixteen".