2545321802590 has 48 divisors (see below), whose sum is σ = 5561313606432. Its totient is φ = 834739071936.

The previous prime is 2545321802549. The next prime is 2545321802591. The reversal of 2545321802590 is 952081235452.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 2545321802590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545321802591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112913389 + ... + 112935928.

It is an arithmetic number, because the mean of its divisors is an integer number (115860700134).

Almost surely, 2^{2545321802590} is an apocalyptic number.

2545321802590 is an abundant number, since it is smaller than the sum of its proper divisors (3015991803842).

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

2545321802590 is a wasteful number, since it uses less digits than its factorization.

2545321802590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225849361 (or 225849354 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 2545321802590 in words is "two trillion, five hundred forty-five billion, three hundred twenty-one million, eight hundred two thousand, five hundred ninety".