1304001142240 has 24 divisors (see below), whose sum is σ = 3080702698920. Its totient is φ = 521600456832.

The previous prime is 1304001142229. The next prime is 1304001142247. The reversal of 1304001142240 is 422411004031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304001142247) 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, 4075003410 + ... + 4075003729.

It is an arithmetic number, because the mean of its divisors is an integer number (128362612455).

Almost surely, 2^{1304001142240} is an apocalyptic number.

1304001142240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304001142240 is an abundant number, since it is smaller than the sum of its proper divisors (1776701556680).

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

1304001142240 is an equidigital number, since it uses as much as digits as its factorization.

1304001142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150007154 (or 8150007146 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1304001142240 its reverse (422411004031), we get a palindrome (1726412146271).

The spelling of 1304001142240 in words is "one trillion, three hundred four billion, one million, one hundred forty-two thousand, two hundred forty".