2545643102280 has 32 divisors (see below), whose sum is σ = 7636929307200. Its totient is φ = 678838160576.

The previous prime is 2545643102279. The next prime is 2545643102291. The reversal of 2545643102280 is 822013465452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10606846140 + ... + 10606846379.

It is an arithmetic number, because the mean of its divisors is an integer number (238654040850).

Almost surely, 2^{2545643102280} is an apocalyptic number.

2545643102280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545643102280 is an abundant number, since it is smaller than the sum of its proper divisors (5091286204920).

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

2545643102280 is a wasteful number, since it uses less digits than its factorization.

2545643102280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213692533 (or 21213692529 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 2545643102280 in words is "two trillion, five hundred forty-five billion, six hundred forty-three million, one hundred two thousand, two hundred eighty".