250113055140 has 144 divisors (see below), whose sum is σ = 817718826288. Its totient is φ = 61514836992.

The previous prime is 250113055099. The next prime is 250113055141. The reversal of 250113055140 is 41550311052.

250113055140 is a `hidden beast` number, since 2 + 501 + 13 + 0 + 5 + 5 + 140 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 22286309796 + 227826745344 = 149286^2 + 477312^2 .

It is not an unprimeable number, because it can be changed into a prime (250113055141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2794362 + ... + 2882478.

Almost surely, 2^250113055140 is an apocalyptic number.

250113055140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250113055140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408859413144).

250113055140 is an abundant number, since it is smaller than the sum of its proper divisors (567605771148).

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

250113055140 is a wasteful number, since it uses less digits than its factorization.

250113055140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89358 (or 89353 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 250113055140 its reverse (41550311052), we get a palindrome (291663366192).

The spelling of 250113055140 in words is "two hundred fifty billion, one hundred thirteen million, fifty-five thousand, one hundred forty".