2298773256780 has 768 divisors, whose sum is σ = 8929649111040. Its totient is φ = 428936601600.

The previous prime is 2298773256719. The next prime is 2298773256799. The reversal of 2298773256780 is 876523778922.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 375552120 + ... + 375558240.

It is an arithmetic number, because the mean of its divisors is an integer number (11627147280).

Almost surely, 2^{2298773256780} is an apocalyptic number.

2298773256780 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 2298773256780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4464824555520).

2298773256780 is an abundant number, since it is smaller than the sum of its proper divisors (6630875854260).

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

2298773256780 is a wasteful number, since it uses less digits than its factorization.

2298773256780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227 (or 6199 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 66.

The spelling of 2298773256780 in words is "two trillion, two hundred ninety-eight billion, seven hundred seventy-three million, two hundred fifty-six thousand, seven hundred eighty".