1304400115240 has 64 divisors (see below), whose sum is σ = 2939390026560. Its totient is φ = 520962516480.

The previous prime is 1304400115219. The next prime is 1304400115261. The reversal of 1304400115240 is 425110044031.

It is an interprime number because it is at equal distance from previous prime (1304400115219) and next prime (1304400115261).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73991307 + ... + 74008933.

It is an arithmetic number, because the mean of its divisors is an integer number (45927969165).

Almost surely, 2^{1304400115240} is an apocalyptic number.

1304400115240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304400115240 is an abundant number, since it is smaller than the sum of its proper divisors (1634989911320).

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

1304400115240 is a wasteful number, since it uses less digits than its factorization.

1304400115240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20362 (or 20358 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1304400115240 its reverse (425110044031), we get a palindrome (1729510159271).

The spelling of 1304400115240 in words is "one trillion, three hundred four billion, four hundred million, one hundred fifteen thousand, two hundred forty".