245359271880 has 256 divisors, whose sum is σ = 836042342400. Its totient is φ = 63977506560.

The previous prime is 245359271869. The next prime is 245359271923. The reversal of 245359271880 is 88172953542.

245359271880 is a `hidden beast` number, since 2 + 4 + 535 + 9 + 27 + 1 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90503725 + ... + 90506435.

It is an arithmetic number, because the mean of its divisors is an integer number (3265790400).

Almost surely, 2^245359271880 is an apocalyptic number.

245359271880 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 245359271880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418021171200).

245359271880 is an abundant number, since it is smaller than the sum of its proper divisors (590683070520).

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

245359271880 is a wasteful number, since it uses less digits than its factorization.

245359271880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561 (or 4551 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 245359271880 in words is "two hundred forty-five billion, three hundred fifty-nine million, two hundred seventy-one thousand, eight hundred eighty".