6455401075880 has 32 divisors (see below), whose sum is σ = 14525244518400. Its totient is φ = 2582055168576.

The previous prime is 6455401075853. The next prime is 6455401075883. The reversal of 6455401075880 is 885701045546.

It is not an unprimeable number, because it can be changed into a prime (6455401075883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292200 + ... + 4262039.

It is an arithmetic number, because the mean of its divisors is an integer number (453913891200).

Almost surely, 2^{6455401075880} is an apocalyptic number.

It is an amenable number.

6455401075880 is an abundant number, since it is smaller than the sum of its proper divisors (8069843442520).

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

6455401075880 is a wasteful number, since it uses less digits than its factorization.

6455401075880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578873 (or 6578869 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 6455401075880 in words is "six trillion, four hundred fifty-five billion, four hundred one million, seventy-five thousand, eight hundred eighty".