1044013604 has 6 divisors (see below), whose sum is σ = 1827023814. Its totient is φ = 522006800.

The previous prime is 1044013603. The next prime is 1044013637. The reversal of 1044013604 is 4063104401.

It can be written as a sum of positive squares in only one way, i.e., 1013785600 + 30228004 = 31840^2 + 5498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1044013604.

It is not an unprimeable number, because it can be changed into a prime (1044013603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130501697 + ... + 130501704.

It is an arithmetic number, because the mean of its divisors is an integer number (304503969).

Almost surely, 2^1044013604 is an apocalyptic number.

It is an amenable number.

1044013604 is a deficient number, since it is larger than the sum of its proper divisors (783010210).

1044013604 is a wasteful number, since it uses less digits than its factorization.

1044013604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261003405 (or 261003403 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1044013604 is about 32311.1993587363. The cubic root of 1044013604 is about 1014.4610707215.

The spelling of 1044013604 in words is "one billion, forty-four million, thirteen thousand, six hundred four".