250859085240 has 32 divisors (see below), whose sum is σ = 752577256080. Its totient is φ = 66895756032.

The previous prime is 250859085221. The next prime is 250859085241. The reversal of 250859085240 is 42580958052.

It is a self number, because there is not a number n which added to its sum of digits gives 250859085240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250859085241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045246069 + ... + 1045246308.

Almost surely, 2^250859085240 is an apocalyptic number.

250859085240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250859085240 is an abundant number, since it is smaller than the sum of its proper divisors (501718170840).

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

250859085240 is a wasteful number, since it uses less digits than its factorization.

250859085240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090492391 (or 2090492387 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 250859085240 in words is "two hundred fifty billion, eight hundred fifty-nine million, eighty-five thousand, two hundred forty".