1313425104040 has 96 divisors (see below), whose sum is σ = 3442800640680. Its totient is φ = 449647607808.

The previous prime is 1313425104037. The next prime is 1313425104053. The reversal of 1313425104040 is 404015243131.

It can be written as a sum of positive squares in 4 ways, for example, as 620398823716 + 693026280324 = 787654^2 + 832482^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821224 + ... + 1816936.

Almost surely, 2^{1313425104040} is an apocalyptic number.

1313425104040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313425104040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721400320340).

1313425104040 is an abundant number, since it is smaller than the sum of its proper divisors (2129375536640).

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

1313425104040 is a wasteful number, since it uses less digits than its factorization.

1313425104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996411 (or 996400 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 1313425104040 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, one hundred four thousand, forty".