389725157250 has 768 divisors, whose sum is σ = 1342172063232. Its totient is φ = 80123904000.

The previous prime is 389725157221. The next prime is 389725157279. The reversal of 389725157250 is 52751527983.

389725157250 is a `hidden beast` number, since 3 + 8 + 9 + 7 + 2 + 515 + 72 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (389725157221) and next prime (389725157279).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 235198422 + ... + 235200078.

It is an arithmetic number, because the mean of its divisors is an integer number (1747619874).

Almost surely, 2^389725157250 is an apocalyptic number.

389725157250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 389725157250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671086031616).

389725157250 is an abundant number, since it is smaller than the sum of its proper divisors (952446905982).

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

389725157250 is a wasteful number, since it uses less digits than its factorization.

389725157250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 54.

The spelling of 389725157250 in words is "three hundred eighty-nine billion, seven hundred twenty-five million, one hundred fifty-seven thousand, two hundred fifty".