451422946700 has 144 divisors (see below), whose sum is σ = 1073759712480. Its totient is φ = 163369728000.

The previous prime is 451422946699. The next prime is 451422946739. The reversal of 451422946700 is 7649224154.

It is a super-2 number, since 2×451422946700² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 47 ways as a sum of consecutive naturals, for example, 262301840 + ... + 262303560.

It is an arithmetic number, because the mean of its divisors is an integer number (7456664670).

Almost surely, 2^451422946700 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 451422946700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536879856240).

451422946700 is an abundant number, since it is smaller than the sum of its proper divisors (622336765780).

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

451422946700 is a wasteful number, since it uses less digits than its factorization.

451422946700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 451422946700 in words is "four hundred fifty-one billion, four hundred twenty-two million, nine hundred forty-six thousand, seven hundred".