451218875452 has 12 divisors (see below), whose sum is σ = 797012780760. Its totient is φ = 223500938096.

The previous prime is 451218875431. The next prime is 451218875453. The reversal of 451218875452 is 254578812154.

It is a self number, because there is not a number n which added to its sum of digits gives 451218875452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451218875453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527124427 + ... + 527125282.

It is an arithmetic number, because the mean of its divisors is an integer number (66417731730).

Almost surely, 2^451218875452 is an apocalyptic number.

It is an amenable number.

451218875452 is a deficient number, since it is larger than the sum of its proper divisors (345793905308).

451218875452 is a wasteful number, since it uses less digits than its factorization.

451218875452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054249820 (or 1054249818 counting only the distinct ones).

The product of its digits is 3584000, while the sum is 52.

The spelling of 451218875452 in words is "four hundred fifty-one billion, two hundred eighteen million, eight hundred seventy-five thousand, four hundred fifty-two".