455721466 has 8 divisors (see below), whose sum is σ = 688965120. Its totient is φ = 226066428.

The previous prime is 455721449. The next prime is 455721467. The reversal of 455721466 is 664127554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (455721467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896836 + ... + 897343.

It is an arithmetic number, because the mean of its divisors is an integer number (86120640).

Almost surely, 2^455721466 is an apocalyptic number.

455721466 is a deficient number, since it is larger than the sum of its proper divisors (233243654).

455721466 is a wasteful number, since it uses less digits than its factorization.

455721466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794308.

The product of its digits is 201600, while the sum is 40.

The square root of 455721466 is about 21347.6337330394. The cubic root of 455721466 is about 769.5434781937.

The spelling of 455721466 in words is "four hundred fifty-five million, seven hundred twenty-one thousand, four hundred sixty-six".