1063044400 has 60 divisors (see below), whose sum is σ = 2786154264. Its totient is φ = 386560000.

The previous prime is 1063044397. The next prime is 1063044413. The reversal of 1063044400 is 44403601.

It is a happy number.

It is a super-2 number, since 2×1063044400² = 2260126792742720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116401 + ... + 125200.

Almost surely, 2^1063044400 is an apocalyptic number.

1063044400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063044400 is an abundant number, since it is smaller than the sum of its proper divisors (1723109864).

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

1063044400 is a wasteful number, since it uses less digits than its factorization.

1063044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241630 (or 241619 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1063044400 is about 32604.3616714083. The cubic root of 1063044400 is about 1020.5880243920.

The spelling of 1063044400 in words is "one billion, sixty-three million, forty-four thousand, four hundred".