450252810 has 64 divisors (see below), whose sum is σ = 1372204800. Its totient is φ = 102914496.

The previous prime is 450252793. The next prime is 450252821. The reversal of 450252810 is 18252054.

It is a happy number.

It is a super-2 number, since 2×450252810² = 405455185825792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117225 + ... + 121004.

It is an arithmetic number, because the mean of its divisors is an integer number (21440700).

Almost surely, 2^450252810 is an apocalyptic number.

450252810 is an abundant number, since it is smaller than the sum of its proper divisors (921951990).

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

450252810 is a wasteful number, since it uses less digits than its factorization.

450252810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238252 (or 238246 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 450252810 is about 21219.1613877646. The cubic root of 450252810 is about 766.4529097414.

The spelling of 450252810 in words is "four hundred fifty million, two hundred fifty-two thousand, eight hundred ten".