2562451220840 has 32 divisors (see below), whose sum is σ = 6589160282880. Its totient is φ = 878554704192.

The previous prime is 2562451220821. The next prime is 2562451220891. The reversal of 2562451220840 is 480221542652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4575805472 + ... + 4575806031.

It is an arithmetic number, because the mean of its divisors is an integer number (205911258840).

Almost surely, 2^{2562451220840} is an apocalyptic number.

2562451220840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2562451220840 is an abundant number, since it is smaller than the sum of its proper divisors (4026709062040).

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

2562451220840 is a wasteful number, since it uses less digits than its factorization.

2562451220840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151611521 (or 9151611517 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 2562451220840 in words is "two trillion, five hundred sixty-two billion, four hundred fifty-one million, two hundred twenty thousand, eight hundred forty".