455166720 has 108 divisors (see below), whose sum is σ = 1574869296. Its totient is φ = 121374720.

The previous prime is 455166709. The next prime is 455166731. The reversal of 455166720 is 27661554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (455166709) and next prime (455166731).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8236 + ... + 31275.

Almost surely, 2^455166720 is an apocalyptic number.

455166720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455166720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787434648).

455166720 is an abundant number, since it is smaller than the sum of its proper divisors (1119702576).

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

455166720 is a wasteful number, since it uses less digits than its factorization.

455166720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39538 (or 39521 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 455166720 is about 21334.6366268563. The cubic root of 455166720 is about 769.2310984204.

The spelling of 455166720 in words is "four hundred fifty-five million, one hundred sixty-six thousand, seven hundred twenty".