1040245304 has 24 divisors (see below), whose sum is σ = 2268903240. Its totient is φ = 445819248.

The previous prime is 1040245291. The next prime is 1040245309. The reversal of 1040245304 is 4035420401.

It is a super-2 number, since 2×1040245304² = 2164220584988104832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040245304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040245309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1326452 + ... + 1327235.

It is an arithmetic number, because the mean of its divisors is an integer number (94537635).

Almost surely, 2^1040245304 is an apocalyptic number.

1040245304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1040245304 is an abundant number, since it is smaller than the sum of its proper divisors (1228657936).

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

1040245304 is a wasteful number, since it uses less digits than its factorization.

1040245304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653707 (or 2653696 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1040245304 is about 32252.8340460183. The cubic root of 1040245304 is about 1013.2390552678.

Adding to 1040245304 its reverse (4035420401), we get a palindrome (5075665705).

The spelling of 1040245304 in words is "one billion, forty million, two hundred forty-five thousand, three hundred four".