451912770 has 80 divisors (see below), whose sum is σ = 1218416760. Its totient is φ = 120185856.

The previous prime is 451912753. The next prime is 451912787. The reversal of 451912770 is 77219154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (451912753) and next prime (451912787).

It can be written as a sum of positive squares in 4 ways, for example, as 342731169 + 109181601 = 18513^2 + 10449^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 544716 + ... + 545544.

Almost surely, 2^451912770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451912770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609208380).

451912770 is an abundant number, since it is smaller than the sum of its proper divisors (766503990).

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

451912770 is a wasteful number, since it uses less digits than its factorization.

451912770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 451912770 is about 21258.2400494491. The cubic root of 451912770 is about 767.3936559325.

It can be divided in two parts, 45191 and 2770, that added together give a square (47961 = 219²).

The spelling of 451912770 in words is "four hundred fifty-one million, nine hundred twelve thousand, seven hundred seventy".