451511426912 has 144 divisors (see below), whose sum is σ = 1115558583552. Its totient is φ = 176103083520.

The previous prime is 451511426897. The next prime is 451511426941. The reversal of 451511426912 is 219624115154.

It is a super-2 number, since 2×451511426912² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451511426912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2603783 + ... + 2771769.

It is an arithmetic number, because the mean of its divisors is an integer number (7746934608).

Almost surely, 2^451511426912 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 451511426912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557779291776).

451511426912 is an abundant number, since it is smaller than the sum of its proper divisors (664047156640).

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

451511426912 is a wasteful number, since it uses less digits than its factorization.

451511426912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168101 (or 168080 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The spelling of 451511426912 in words is "four hundred fifty-one billion, five hundred eleven million, four hundred twenty-six thousand, nine hundred twelve".