1044020360 has 64 divisors (see below), whose sum is σ = 2496873600. Its totient is φ = 391758336.

The previous prime is 1044020359. The next prime is 1044020381. The reversal of 1044020360 is 630204401.

It is a happy number.

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

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, 71612 + ... + 84948.

It is an arithmetic number, because the mean of its divisors is an integer number (39013650).

Almost surely, 2^1044020360 is an apocalyptic number.

1044020360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044020360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248436800).

1044020360 is an abundant number, since it is smaller than the sum of its proper divisors (1452853240).

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

1044020360 is a wasteful number, since it uses less digits than its factorization.

1044020360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470 (or 13466 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1044020360 is about 32311.3039043614. The cubic root of 1044020360 is about 1014.4632589702.

Adding to 1044020360 its reverse (630204401), we get a palindrome (1674224761).

The spelling of 1044020360 in words is "one billion, forty-four million, twenty thousand, three hundred sixty".