451282428 has 30 divisors (see below), whose sum is σ = 1179742256. Its totient is φ = 150427368.

The previous prime is 451282411. The next prime is 451282441. The reversal of 451282428 is 824282154.

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 = 451282392 and 451282401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 696100 + ... + 696747.

Almost surely, 2^451282428 is an apocalyptic number.

It is an amenable number.

451282428 is an abundant number, since it is smaller than the sum of its proper divisors (728459828).

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

451282428 is a wasteful number, since it uses less digits than its factorization.

451282428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392863 (or 1392852 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 451282428 is about 21243.4090484555. The cubic root of 451282428 is about 767.0366950606.

The spelling of 451282428 in words is "four hundred fifty-one million, two hundred eighty-two thousand, four hundred twenty-eight".