250428365530 has 48 divisors (see below), whose sum is σ = 527263571016. Its totient is φ = 85386752640.

The previous prime is 250428365527. The next prime is 250428365543. The reversal of 250428365530 is 35563824052.

It can be written as a sum of positive squares in 4 ways, for example, as 106648618041 + 143779747489 = 326571^2 + 379183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1323129 + ... + 1500508.

Almost surely, 2^250428365530 is an apocalyptic number.

250428365530 is an abundant number, since it is smaller than the sum of its proper divisors (276835205486).

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

250428365530 is a wasteful number, since it uses less digits than its factorization.

250428365530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823839 (or 2823832 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 250428365530 in words is "two hundred fifty billion, four hundred twenty-eight million, three hundred sixty-five thousand, five hundred thirty".