451245696 has 128 divisors (see below), whose sum is σ = 1315604160. Its totient is φ = 135905280.

The previous prime is 451245677. The next prime is 451245719. The reversal of 451245696 is 696542154.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338840 + ... + 1339176.

Almost surely, 2^451245696 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 451245696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657802080).

451245696 is an abundant number, since it is smaller than the sum of its proper divisors (864358464).

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

451245696 is a wasteful number, since it uses less digits than its factorization.

451245696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 670 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 451245696 is about 21242.5444803583. The cubic root of 451245696 is about 767.0158835875.

The spelling of 451245696 in words is "four hundred fifty-one million, two hundred forty-five thousand, six hundred ninety-six".