250525243240 has 64 divisors (see below), whose sum is σ = 604086802560. Its totient is φ = 93262498560.

The previous prime is 250525243169. The next prime is 250525243273. The reversal of 250525243240 is 42342525052.

It is a super-2 number, since 2×250525243240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250525243196 and 250525243205.

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, 3645826 + ... + 3713905.

It is an arithmetic number, because the mean of its divisors is an integer number (9438856290).

Almost surely, 2^250525243240 is an apocalyptic number.

250525243240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250525243240 is an abundant number, since it is smaller than the sum of its proper divisors (353561559320).

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

250525243240 is a wasteful number, since it uses less digits than its factorization.

250525243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359802 (or 7359798 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 250525243240 its reverse (42342525052), we get a palindrome (292867768292).

The spelling of 250525243240 in words is "two hundred fifty billion, five hundred twenty-five million, two hundred forty-three thousand, two hundred forty".