451225878 has 32 divisors (see below), whose sum is σ = 929063520. Its totient is φ = 145992960.

The previous prime is 451225871. The next prime is 451225909. The reversal of 451225878 is 878522154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451225871) 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, 100138 + ... + 104546.

It is an arithmetic number, because the mean of its divisors is an integer number (29033235).

Almost surely, 2^451225878 is an apocalyptic number.

451225878 is an abundant number, since it is smaller than the sum of its proper divisors (477837642).

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

451225878 is a wasteful number, since it uses less digits than its factorization.

451225878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912.

The product of its digits is 179200, while the sum is 42.

The square root of 451225878 is about 21242.0780056943. The cubic root of 451225878 is about 767.0046547134.

The spelling of 451225878 in words is "four hundred fifty-one million, two hundred twenty-five thousand, eight hundred seventy-eight".