450455430 has 16 divisors (see below), whose sum is σ = 1081093104. Its totient is φ = 120121440.

The previous prime is 450455429. The next prime is 450455503. The reversal of 450455430 is 34554054.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 15015181 = 450455430 / (4 + 5 + 0 + 4 + 5 + 5 + 4 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7507561 + ... + 7507620.

It is an arithmetic number, because the mean of its divisors is an integer number (67568319).

Almost surely, 2^450455430 is an apocalyptic number.

450455430 is an abundant number, since it is smaller than the sum of its proper divisors (630637674).

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

450455430 is a wasteful number, since it uses less digits than its factorization.

450455430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015191.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 450455430 is about 21223.9353089855. The cubic root of 450455430 is about 766.5678639741.

The spelling of 450455430 in words is "four hundred fifty million, four hundred fifty-five thousand, four hundred thirty".