451228272376 has 64 divisors (see below), whose sum is σ = 975741266880. Its totient is φ = 191619778560.

The previous prime is 451228272359. The next prime is 451228272409. The reversal of 451228272376 is 673272822154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30854346 + ... + 30868966.

It is an arithmetic number, because the mean of its divisors is an integer number (15245957295).

Almost surely, 2^451228272376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451228272376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487870633440).

451228272376 is an abundant number, since it is smaller than the sum of its proper divisors (524512994504).

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

451228272376 is a wasteful number, since it uses less digits than its factorization.

451228272376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19624 (or 19620 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 451228272376 in words is "four hundred fifty-one billion, two hundred twenty-eight million, two hundred seventy-two thousand, three hundred seventy-six".