451345340 has 12 divisors (see below), whose sum is σ = 947825256. Its totient is φ = 180538128.

The previous prime is 451345319. The next prime is 451345369. The reversal of 451345340 is 43543154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11283614 + ... + 11283653.

It is an arithmetic number, because the mean of its divisors is an integer number (78985438).

Almost surely, 2^451345340 is an apocalyptic number.

It is an amenable number.

451345340 is an abundant number, since it is smaller than the sum of its proper divisors (496479916).

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

451345340 is a wasteful number, since it uses less digits than its factorization.

451345340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22567276 (or 22567274 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 451345340 is about 21244.8897384759. The cubic root of 451345340 is about 767.0723368726.

Adding to 451345340 its reverse (43543154), we get a palindrome (494888494).

The spelling of 451345340 in words is "four hundred fifty-one million, three hundred forty-five thousand, three hundred forty".