1000451456 has 32 divisors (see below), whose sum is σ = 2017121400. Its totient is φ = 494193664.

The previous prime is 1000451449. The next prime is 1000451467. The reversal of 1000451456 is 6541540001.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36461 + ... + 57708.

Almost surely, 2^1000451456 is an apocalyptic number.

1000451456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1000451456 is an abundant number, since it is smaller than the sum of its proper divisors (1016669944).

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

1000451456 is an frugal number, since it uses more digits than its factorization.

1000451456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94266 (or 94254 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1000451456 is about 31629.9139423426. The cubic root of 1000451456 is about 1000.1504626932.

Adding to 1000451456 its reverse (6541540001), we get a palindrome (7541991457).

The spelling of 1000451456 in words is "one billion, four hundred fifty-one thousand, four hundred fifty-six".