451040202 has 24 divisors (see below), whose sum is σ = 1028688960. Its totient is φ = 142433640.

The previous prime is 451040167. The next prime is 451040257. The reversal of 451040202 is 202040154.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659074 + ... + 659757.

It is an arithmetic number, because the mean of its divisors is an integer number (42862040).

Almost surely, 2^451040202 is an apocalyptic number.

451040202 is an abundant number, since it is smaller than the sum of its proper divisors (577648758).

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

451040202 is a wasteful number, since it uses less digits than its factorization.

451040202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318858 (or 1318855 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 451040202 is about 21237.7070796261. The cubic root of 451040202 is about 766.8994347620.

Adding to 451040202 its reverse (202040154), we get a palindrome (653080356).

The spelling of 451040202 in words is "four hundred fifty-one million, forty thousand, two hundred two".