451225674438 has 32 divisors (see below), whose sum is σ = 1125134150400. Its totient is φ = 117201473760.

The previous prime is 451225674437. The next prime is 451225674481. The reversal of 451225674438 is 834476522154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451225674437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488339013 + ... + 488339936.

It is an arithmetic number, because the mean of its divisors is an integer number (35160442200).

Almost surely, 2^451225674438 is an apocalyptic number.

451225674438 is an abundant number, since it is smaller than the sum of its proper divisors (673908475962).

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

451225674438 is a wasteful number, since it uses less digits than its factorization.

451225674438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976678972.

The product of its digits is 6451200, while the sum is 51.

The spelling of 451225674438 in words is "four hundred fifty-one billion, two hundred twenty-five million, six hundred seventy-four thousand, four hundred thirty-eight".