454456394 has 32 divisors (see below), whose sum is σ = 793877760. Its totient is φ = 191100672.

The previous prime is 454456391. The next prime is 454456403. The reversal of 454456394 is 493654454.

It is a super-2 number, since 2×454456394² = 413061228094966472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (454456391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161552 + ... + 164340.

It is an arithmetic number, because the mean of its divisors is an integer number (24808680).

Almost surely, 2^454456394 is an apocalyptic number.

454456394 is a deficient number, since it is larger than the sum of its proper divisors (339421366).

454456394 is a wasteful number, since it uses less digits than its factorization.

454456394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014.

The product of its digits is 1036800, while the sum is 44.

The square root of 454456394 is about 21317.9828783119. The cubic root of 454456394 is about 768.8307401130.

The spelling of 454456394 in words is "four hundred fifty-four million, four hundred fifty-six thousand, three hundred ninety-four".