245400255323250 has 256 divisors, whose sum is σ = 651948577113600. Its totient is φ = 61305868800000.

The previous prime is 245400255323213. The next prime is 245400255323261. The reversal of 245400255323250 is 52323552004542.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1164247870 + ... + 1164458630.

It is an arithmetic number, because the mean of its divisors is an integer number (2546674129350).

Almost surely, 2^{245400255323250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245400255323250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325974288556800).

245400255323250 is an abundant number, since it is smaller than the sum of its proper divisors (406548321790350).

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

245400255323250 is a wasteful number, since it uses less digits than its factorization.

245400255323250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211710 (or 211700 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 245400255323250 in words is "two hundred forty-five trillion, four hundred billion, two hundred fifty-five million, three hundred twenty-three thousand, two hundred fifty".