250505215030 has 128 divisors (see below), whose sum is σ = 528731255808. Its totient is φ = 83691159552.

The previous prime is 250505215021. The next prime is 250505215033. The reversal of 250505215030 is 30512505052.

250505215030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 250505215030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250505215033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125064009 + ... + 125066011.

It is an arithmetic number, because the mean of its divisors is an integer number (4130712936).

Almost surely, 2^250505215030 is an apocalyptic number.

250505215030 is an abundant number, since it is smaller than the sum of its proper divisors (278226040778).

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

250505215030 is a wasteful number, since it uses less digits than its factorization.

250505215030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390.

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 250505215030 in words is "two hundred fifty billion, five hundred five million, two hundred fifteen thousand, thirty".