451168340 has 48 divisors (see below), whose sum is σ = 1093999872. Its totient is φ = 153086976.

The previous prime is 451168337. The next prime is 451168351. The reversal of 451168340 is 43861154.

It is a junction number, because it is equal to n+sod(n) for n = 451168297 and 451168306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032 + ... + 30191.

It is an arithmetic number, because the mean of its divisors is an integer number (22791664).

Almost surely, 2^451168340 is an apocalyptic number.

It is an amenable number.

451168340 is an abundant number, since it is smaller than the sum of its proper divisors (642831532).

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

451168340 is a wasteful number, since it uses less digits than its factorization.

451168340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336 (or 33334 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 451168340 is about 21240.7236223251. The cubic root of 451168340 is about 766.9720518332.

The spelling of 451168340 in words is "four hundred fifty-one million, one hundred sixty-eight thousand, three hundred forty".