451870680 has 32 divisors (see below), whose sum is σ = 1355612400. Its totient is φ = 120498816.

The previous prime is 451870631. The next prime is 451870681. The reversal of 451870680 is 86078154.

It is a super-2 number, since 2×451870680² = 408374222887324800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451870681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882675 + ... + 1882914.

Almost surely, 2^451870680 is an apocalyptic number.

451870680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451870680 is an abundant number, since it is smaller than the sum of its proper divisors (903741720).

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

451870680 is a wasteful number, since it uses less digits than its factorization.

451870680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765603 (or 3765599 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 451870680 is about 21257.2500573334. The cubic root of 451870680 is about 767.3698308317.

The spelling of 451870680 in words is "four hundred fifty-one million, eight hundred seventy thousand, six hundred eighty".