1316401420040 has 64 divisors (see below), whose sum is σ = 3386682524160. Its totient is φ = 451117589760.

The previous prime is 1316401419947. The next prime is 1316401420051. The reversal of 1316401420040 is 400241046131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1316401419991 and 1316401420009.

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, 570176 + ... + 1719855.

It is an arithmetic number, because the mean of its divisors is an integer number (52916914440).

Almost surely, 2^{1316401420040} is an apocalyptic number.

1316401420040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316401420040 is an abundant number, since it is smaller than the sum of its proper divisors (2070281104120).

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

1316401420040 is a wasteful number, since it uses less digits than its factorization.

1316401420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292102 (or 2292098 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1316401420040 its reverse (400241046131), we get a palindrome (1716642466171).

The spelling of 1316401420040 in words is "one trillion, three hundred sixteen billion, four hundred one million, four hundred twenty thousand, forty".