2545400521460 has 12 divisors (see below), whose sum is σ = 5345341095108. Its totient is φ = 1018160208576.

The previous prime is 2545400521439. The next prime is 2545400521487. The reversal of 2545400521460 is 641250045452.

It can be written as a sum of positive squares in 2 ways, for example, as 1457689193104 + 1087711328356 = 1207348^2 + 1042934^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63635013017 + ... + 63635013056.

It is an arithmetic number, because the mean of its divisors is an integer number (445445091259).

Almost surely, 2^{2545400521460} is an apocalyptic number.

2545400521460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545400521460 is an abundant number, since it is smaller than the sum of its proper divisors (2799940573648).

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

2545400521460 is a wasteful number, since it uses less digits than its factorization.

2545400521460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127270026082 (or 127270026080 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 2545400521460 in words is "two trillion, five hundred forty-five billion, four hundred million, five hundred twenty-one thousand, four hundred sixty".