451323552 has 48 divisors (see below), whose sum is σ = 1190911680. Its totient is φ = 149655552.

The previous prime is 451323541. The next prime is 451323557. The reversal of 451323552 is 255323154.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (451323557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6349 + ... + 30707.

It is an arithmetic number, because the mean of its divisors is an integer number (24810660).

Almost surely, 2^451323552 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 451323552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595455840).

451323552 is an abundant number, since it is smaller than the sum of its proper divisors (739588128).

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

451323552 is a wasteful number, since it uses less digits than its factorization.

451323552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24565 (or 24557 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 451323552 is about 21244.3769501485. The cubic root of 451323552 is about 767.0599935961.

It can be divided in two parts, 45132 and 3552, that added together give a palindrome (48684).

The spelling of 451323552 in words is "four hundred fifty-one million, three hundred twenty-three thousand, five hundred fifty-two".