245565659958480 has 480 divisors, whose sum is σ = 854859512322816. Its totient is φ = 63131895300096.

The previous prime is 245565659958457. The next prime is 245565659958527. The reversal of 245565659958480 is 84859956565542.

245565659958480 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 6 + 565 + 9 + 9 + 5 + 8 + 48 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 245565659958480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1120054149 + ... + 1120273371.

Almost surely, 2^{245565659958480} is an apocalyptic number.

245565659958480 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 245565659958480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427429756161408).

245565659958480 is an abundant number, since it is smaller than the sum of its proper divisors (609293852364336).

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

245565659958480 is a wasteful number, since it uses less digits than its factorization.

245565659958480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219755 (or 219746 counting only the distinct ones).

The product of its (nonzero) digits is 18662400000, while the sum is 81.

The spelling of 245565659958480 in words is "two hundred forty-five trillion, five hundred sixty-five billion, six hundred fifty-nine million, nine hundred fifty-eight thousand, four hundred eighty".