455198518780 has 24 divisors (see below), whose sum is σ = 955929658320. Its totient is φ = 182076975360.

The previous prime is 455198518759. The next prime is 455198518783. The reversal of 455198518780 is 87815891554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455198518783) 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, 2582260 + ... + 2752900.

It is an arithmetic number, because the mean of its divisors is an integer number (39830402430).

Almost surely, 2^455198518780 is an apocalyptic number.

It is an amenable number.

455198518780 is an abundant number, since it is smaller than the sum of its proper divisors (500731139540).

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

455198518780 is a wasteful number, since it uses less digits than its factorization.

455198518780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304029 (or 304027 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 61.

The spelling of 455198518780 in words is "four hundred fifty-five billion, one hundred ninety-eight million, five hundred eighteen thousand, seven hundred eighty".