1311413240040 has 64 divisors (see below), whose sum is σ = 3934518096960. Its totient is φ = 349685452800.

The previous prime is 1311413240029. The next prime is 1311413240087. The reversal of 1311413240040 is 400423141131.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1348687 + ... + 2107553.

It is an arithmetic number, because the mean of its divisors is an integer number (61476845265).

Almost surely, 2^{1311413240040} is an apocalyptic number.

1311413240040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311413240040 is an abundant number, since it is smaller than the sum of its proper divisors (2623104856920).

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

1311413240040 is a wasteful number, since it uses less digits than its factorization.

1311413240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773282 (or 773278 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1311413240040 its reverse (400423141131), we get a palindrome (1711836381171).

The spelling of 1311413240040 in words is "one trillion, three hundred eleven billion, four hundred thirteen million, two hundred forty thousand, forty".