245997558080 has 56 divisors (see below), whose sum is σ = 596834210952. Its totient is φ = 96542431232.

The previous prime is 245997558077. The next prime is 245997558089. The reversal of 245997558080 is 80855799542.

It can be written as a sum of positive squares in 4 ways, for example, as 56138668096 + 189858889984 = 236936^2 + 435728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245997558089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7235327 + ... + 7269246.

It is an arithmetic number, because the mean of its divisors is an integer number (10657753767).

Almost surely, 2^245997558080 is an apocalyptic number.

245997558080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245997558080 is an abundant number, since it is smaller than the sum of its proper divisors (350836652872).

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

245997558080 is a wasteful number, since it uses less digits than its factorization.

245997558080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14504643 (or 14504633 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 62.

The spelling of 245997558080 in words is "two hundred forty-five billion, nine hundred ninety-seven million, five hundred fifty-eight thousand, eighty".