451399474 has 8 divisors (see below), whose sum is σ = 680308848. Its totient is φ = 224629860.

The previous prime is 451399447. The next prime is 451399483. The reversal of 451399474 is 474993154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×451399474² = 407522970254953352, which contains 22 as substring.

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, 534412 + ... + 535255.

It is an arithmetic number, because the mean of its divisors is an integer number (85038606).

Almost surely, 2^451399474 is an apocalyptic number.

451399474 is a deficient number, since it is larger than the sum of its proper divisors (228909374).

451399474 is a wasteful number, since it uses less digits than its factorization.

451399474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069880.

The product of its digits is 544320, while the sum is 46.

The square root of 451399474 is about 21246.1637478393. The cubic root of 451399474 is about 767.1030029947.

The spelling of 451399474 in words is "four hundred fifty-one million, three hundred ninety-nine thousand, four hundred seventy-four".