454163328 has 64 divisors (see below), whose sum is σ = 1340422800. Its totient is φ = 151386624.

The previous prime is 454163323. The next prime is 454163329. The reversal of 454163328 is 823361454.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 454163292 and 454163301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454163323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62251 + ... + 69162.

Almost surely, 2^454163328 is an apocalyptic number.

454163328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

454163328 is an abundant number, since it is smaller than the sum of its proper divisors (886259472).

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

454163328 is a wasteful number, since it uses less digits than its factorization.

454163328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131436 (or 131418 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 454163328 is about 21311.1080894448. The cubic root of 454163328 is about 768.6654388844.

The spelling of 454163328 in words is "four hundred fifty-four million, one hundred sixty-three thousand, three hundred twenty-eight".