1240072823808 has 1408 divisors, whose sum is σ = 4859663155200. Its totient is φ = 303089319936.

The previous prime is 1240072823807. The next prime is 1240072823831. The reversal of 1240072823808 is 8083282700421.

1240072823808 is a `hidden beast` number, since 1 + 2 + 400 + 7 + 2 + 8 + 238 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1240072823807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3378944841 + ... + 3378945207.

Almost surely, 2^{1240072823808} is an apocalyptic number.

1240072823808 is a gapful number since it is divisible by the number (18) 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 1240072823808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429831577600).

1240072823808 is an abundant number, since it is smaller than the sum of its proper divisors (3619590331392).

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

1240072823808 is a wasteful number, since it uses less digits than its factorization.

1240072823808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 1240072823808 in words is "one trillion, two hundred forty billion, seventy-two million, eight hundred twenty-three thousand, eight hundred eight".