1326040806240 has 144 divisors (see below), whose sum is σ = 4525420496688. Its totient is φ = 353586951168.

The previous prime is 1326040806191. The next prime is 1326040806269. The reversal of 1326040806240 is 426080406231.

1326040806240 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 0 + 408 + 0 + 6 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1326040806195 and 1326040806204.

It is a congruent number.

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, 34660402 + ... + 34698638.

It is an arithmetic number, because the mean of its divisors is an integer number (31426531227).

Almost surely, 2^{1326040806240} is an apocalyptic number.

1326040806240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326040806240 is an abundant number, since it is smaller than the sum of its proper divisors (3199379690448).

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

1326040806240 is a wasteful number, since it uses less digits than its factorization.

1326040806240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62341 (or 62330 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 1326040806240 in words is "one trillion, three hundred twenty-six billion, forty million, eight hundred six thousand, two hundred forty".