454639428 has 36 divisors (see below), whose sum is σ = 1186302208. Its totient is φ = 146657520.

The previous prime is 454639417. The next prime is 454639433. The reversal of 454639428 is 824936454.

454639428 is a `hidden beast` number, since 4 + 5 + 4 + 639 + 4 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (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, 202576 + ... + 204807.

Almost surely, 2^454639428 is an apocalyptic number.

It is an amenable number.

454639428 is an abundant number, since it is smaller than the sum of its proper divisors (731662780).

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

454639428 is a wasteful number, since it uses less digits than its factorization.

454639428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407424 (or 407419 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 454639428 is about 21322.2753945258. The cubic root of 454639428 is about 768.9339427375.

The spelling of 454639428 in words is "four hundred fifty-four million, six hundred thirty-nine thousand, four hundred twenty-eight".