250085540 has 48 divisors (see below), whose sum is σ = 536333952. Its totient is φ = 97929216.

The previous prime is 250085519. The next prime is 250085573. The reversal of 250085540 is 45580052.

It is a super-3 number, since 3×250085540³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258137 + ... + 259103.

It is an arithmetic number, because the mean of its divisors is an integer number (11173624).

Almost surely, 2^250085540 is an apocalyptic number.

250085540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250085540 is an abundant number, since it is smaller than the sum of its proper divisors (286248412).

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

250085540 is a wasteful number, since it uses less digits than its factorization.

250085540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 250085540 is about 15814.0930818052. The cubic root of 250085540 is about 630.0323658521.

The spelling of 250085540 in words is "two hundred fifty million, eighty-five thousand, five hundred forty".