455217690 has 16 divisors (see below), whose sum is σ = 1092522528. Its totient is φ = 121391376.

The previous prime is 455217683. The next prime is 455217691. The reversal of 455217690 is 96712554.

It is a super-2 number, since 2×455217690² = 414446290577872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (455217691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7586932 + ... + 7586991.

It is an arithmetic number, because the mean of its divisors is an integer number (68282658).

Almost surely, 2^455217690 is an apocalyptic number.

455217690 is an abundant number, since it is smaller than the sum of its proper divisors (637304838).

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

455217690 is a wasteful number, since it uses less digits than its factorization.

455217690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173933.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 455217690 is about 21335.8311298154. The cubic root of 455217690 is about 769.2598104241.

The spelling of 455217690 in words is "four hundred fifty-five million, two hundred seventeen thousand, six hundred ninety".