742311391824 has 40 divisors (see below), whose sum is σ = 2130708625920. Its totient is φ = 247437130464.

The previous prime is 742311391781. The next prime is 742311391849. The reversal of 742311391824 is 428193113247.

742311391824 is a `hidden beast` number, since 7 + 4 + 231 + 1 + 391 + 8 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 742311391824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859156272 + ... + 859157135.

It is an arithmetic number, because the mean of its divisors is an integer number (53267715648).

Almost surely, 2^742311391824 is an apocalyptic number.

It is an amenable number.

742311391824 is an abundant number, since it is smaller than the sum of its proper divisors (1388397234096).

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

742311391824 is a wasteful number, since it uses less digits than its factorization.

742311391824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718313424 (or 1718313412 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 742311391824 in words is "seven hundred forty-two billion, three hundred eleven million, three hundred ninety-one thousand, eight hundred twenty-four".