749446323912 has 960 divisors, whose sum is σ = 2588990342400. Its totient is φ = 201043814400.

The previous prime is 749446323893. The next prime is 749446323937. The reversal of 749446323912 is 219323644947.

749446323912 is a `hidden beast` number, since 7 + 4 + 94 + 463 + 2 + 3 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3301525543 + ... + 3301525769.

It is an arithmetic number, because the mean of its divisors is an integer number (2696864940).

Almost surely, 2^749446323912 is an apocalyptic number.

749446323912 is a gapful number since it is divisible by the number (72) 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 749446323912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294495171200).

749446323912 is an abundant number, since it is smaller than the sum of its proper divisors (1839544018488).

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

749446323912 is a wasteful number, since it uses less digits than its factorization.

749446323912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 376 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 749446323912 in words is "seven hundred forty-nine billion, four hundred forty-six million, three hundred twenty-three thousand, nine hundred twelve".