1044040160 has 48 divisors (see below), whose sum is σ = 2500361136. Its totient is φ = 411890688.

The previous prime is 1044040157. The next prime is 1044040171. The reversal of 1044040160 is 610404401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33014 + ... + 56373.

It is an arithmetic number, because the mean of its divisors is an integer number (52090857).

Almost surely, 2^1044040160 is an apocalyptic number.

1044040160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044040160 is an abundant number, since it is smaller than the sum of its proper divisors (1456320976).

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

1044040160 is an equidigital number, since it uses as much as digits as its factorization.

1044040160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89475 (or 89467 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1044040160 is about 32311.6102972291. The cubic root of 1044040160 is about 1014.4696720781.

Adding to 1044040160 its reverse (610404401), we get a palindrome (1654444561).

The spelling of 1044040160 in words is "one billion, forty-four million, forty thousand, one hundred sixty".