1044013720 has 32 divisors (see below), whose sum is σ = 2356157520. Its totient is φ = 416338560.

The previous prime is 1044013703. The next prime is 1044013721. The reversal of 1044013720 is 273104401.

1044013720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1044013691 and 1044013700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044013721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26187 + ... + 52666.

Almost surely, 2^1044013720 is an apocalyptic number.

1044013720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044013720 is an abundant number, since it is smaller than the sum of its proper divisors (1312143800).

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

1044013720 is a wasteful number, since it uses less digits than its factorization.

1044013720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79195 (or 79191 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1044013720 is about 32311.2011537795. The cubic root of 1044013720 is about 1014.4611082937.

The spelling of 1044013720 in words is "one billion, forty-four million, thirteen thousand, seven hundred twenty".