1013440304 has 20 divisors (see below), whose sum is σ = 1971763680. Its totient is φ = 504598080.

The previous prime is 1013440303. The next prime is 1013440321. The reversal of 1013440304 is 4030443101.

It is a happy number.

It is a super-2 number, since 2×1013440304² = 2054122499543224832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013440301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128687 + ... + 136334.

It is an arithmetic number, because the mean of its divisors is an integer number (98588184).

Almost surely, 2^1013440304 is an apocalyptic number.

It is an amenable number.

1013440304 is a deficient number, since it is larger than the sum of its proper divisors (958323376).

1013440304 is a wasteful number, since it uses less digits than its factorization.

1013440304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265268 (or 265262 counting only the distinct ones).

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

The square root of 1013440304 is about 31834.5771763974. The cubic root of 1013440304 is about 1004.4601785648.

Adding to 1013440304 its reverse (4030443101), we get a palindrome (5043883405).

The spelling of 1013440304 in words is "one billion, thirteen million, four hundred forty thousand, three hundred four".