451920470 has 16 divisors (see below), whose sum is σ = 813708720. Its totient is φ = 180712224.

The previous prime is 451920451. The next prime is 451920481. The reversal of 451920470 is 74029154.

It is a happy number.

It is a super-2 number, since 2×451920470² = 408464222410041800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46124 + ... + 55056.

It is an arithmetic number, because the mean of its divisors is an integer number (50856795).

Almost surely, 2^451920470 is an apocalyptic number.

451920470 is a deficient number, since it is larger than the sum of its proper divisors (361788250).

451920470 is a wasteful number, since it uses less digits than its factorization.

451920470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13999.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 451920470 is about 21258.4211549212. The cubic root of 451920470 is about 767.3980143677.

The spelling of 451920470 in words is "four hundred fifty-one million, nine hundred twenty thousand, four hundred seventy".