451567428 has 48 divisors (see below), whose sum is σ = 1136533440. Its totient is φ = 138720384.

The previous prime is 451567427. The next prime is 451567429. The reversal of 451567428 is 824765154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (451567427) and next prime (451567429).

It is a self number, because there is not a number n which added to its sum of digits gives 451567428.

It is not an unprimeable number, because it can be changed into a prime (451567427) 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, 113326 + ... + 117242.

It is an arithmetic number, because the mean of its divisors is an integer number (23677780).

Almost surely, 2^451567428 is an apocalyptic number.

It is an amenable number.

451567428 is an abundant number, since it is smaller than the sum of its proper divisors (684966012).

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

451567428 is a wasteful number, since it uses less digits than its factorization.

451567428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676 (or 4674 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 451567428 is about 21250.1159526248. The cubic root of 451567428 is about 767.1981308872.

The spelling of 451567428 in words is "four hundred fifty-one million, five hundred sixty-seven thousand, four hundred twenty-eight".