2550455840664 has 96 divisors (see below), whose sum is σ = 7284729816000. Its totient is φ = 835742554272.

The previous prime is 2550455840659. The next prime is 2550455840677. The reversal of 2550455840664 is 4660485540552.

2550455840664 is a `hidden beast` number, since 2 + 5 + 50 + 4 + 5 + 584 + 0 + 6 + 6 + 4 = 666.

It is a super-2 number, since 2×2550455840664² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2550455840664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11003634 + ... + 11233025.

It is an arithmetic number, because the mean of its divisors is an integer number (75882602250).

Almost surely, 2^{2550455840664} is an apocalyptic number.

2550455840664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2550455840664 is an abundant number, since it is smaller than the sum of its proper divisors (4734273975336).

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

2550455840664 is a wasteful number, since it uses less digits than its factorization.

2550455840664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22236739 (or 22236723 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 54.

The spelling of 2550455840664 in words is "two trillion, five hundred fifty billion, four hundred fifty-five million, eight hundred forty thousand, six hundred sixty-four".