250001015140140 has 96 divisors (see below), whose sum is σ = 766808093399040. Its totient is φ = 60354828211200.

The previous prime is 250001015140117. The next prime is 250001015140141. The reversal of 250001015140140 is 41041510100052.

It is a super-2 number, since 2×250001015140140² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 250001015140140.

It is not an unprimeable number, because it can be changed into a prime (250001015140141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 785711100 + ... + 786029219.

It is an arithmetic number, because the mean of its divisors is an integer number (7987584306240).

Almost surely, 2^{250001015140140} is an apocalyptic number.

250001015140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250001015140140 is an abundant number, since it is smaller than the sum of its proper divisors (516807078258900).

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

250001015140140 is a wasteful number, since it uses less digits than its factorization.

250001015140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571740583 (or 1571740581 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 250001015140140 its reverse (41041510100052), we get a palindrome (291042525240192).

The spelling of 250001015140140 in words is "two hundred fifty trillion, one billion, fifteen million, one hundred forty thousand, one hundred forty".