2541643344460 has 48 divisors (see below), whose sum is σ = 6129130371840. Its totient is φ = 875590050240.

The previous prime is 2541643344451. The next prime is 2541643344467. The reversal of 2541643344460 is 644433461452.

It is a self number, because there is not a number n which added to its sum of digits gives 2541643344460.

It is not an unprimeable number, because it can be changed into a prime (2541643344467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304020144 + ... + 304028503.

It is an arithmetic number, because the mean of its divisors is an integer number (127690216080).

Almost surely, 2^{2541643344460} is an apocalyptic number.

2541643344460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541643344460 is an abundant number, since it is smaller than the sum of its proper divisors (3587487027380).

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

2541643344460 is a wasteful number, since it uses less digits than its factorization.

2541643344460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608048686 (or 608048684 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 2541643344460 in words is "two trillion, five hundred forty-one billion, six hundred forty-three million, three hundred forty-four thousand, four hundred sixty".