1361440304 has 30 divisors (see below), whose sum is σ = 3068452044. Its totient is φ = 583474080.

The previous prime is 1361440303. The next prime is 1361440331. The reversal of 1361440304 is 4030441631.

It is a super-2 number, since 2×1361440304² = 3707039402711224832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1361440303) 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, 867482 + ... + 869049.

Almost surely, 2^1361440304 is an apocalyptic number.

1361440304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1361440304 is an abundant number, since it is smaller than the sum of its proper divisors (1707011740).

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

1361440304 is a wasteful number, since it uses less digits than its factorization.

1361440304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736553 (or 1736540 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1361440304 is about 36897.7005245584. The cubic root of 1361440304 is about 1108.3226306138.

Adding to 1361440304 its reverse (4030441631), we get a palindrome (5391881935).

The spelling of 1361440304 in words is "one billion, three hundred sixty-one million, four hundred forty thousand, three hundred four".