1326924426240 has 880 divisors, whose sum is σ = 5500696303872. Its totient is φ = 299588419584.

The previous prime is 1326924426239. The next prime is 1326924426251. The reversal of 1326924426240 is 426244296231.

1326924426240 is a `hidden beast` number, since 1 + 3 + 26 + 92 + 442 + 62 + 40 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 240949567 + ... + 240955073.

Almost surely, 2^{1326924426240} is an apocalyptic number.

1326924426240 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 1326924426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750348151936).

1326924426240 is an abundant number, since it is smaller than the sum of its proper divisors (4173771877632).

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

1326924426240 is an equidigital number, since it uses as much as digits as its factorization.

1326924426240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634 (or 5607 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 1326924426240 in words is "one trillion, three hundred twenty-six billion, nine hundred twenty-four million, four hundred twenty-six thousand, two hundred forty".