726538931982 has 24 divisors (see below), whose sum is σ = 1574201711160. Its totient is φ = 242174409360.

The previous prime is 726538931947. The next prime is 726538931999. The reversal of 726538931982 is 289139835627.

726538931982 is a `hidden beast` number, since 7 + 2 + 6 + 538 + 9 + 3 + 1 + 98 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470632 + ... + 1294052.

It is an arithmetic number, because the mean of its divisors is an integer number (65591737965).

Almost surely, 2^726538931982 is an apocalyptic number.

726538931982 is an abundant number, since it is smaller than the sum of its proper divisors (847662779178).

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

726538931982 is a wasteful number, since it uses less digits than its factorization.

726538931982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872448 (or 872445 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 726538931982 in words is "seven hundred twenty-six billion, five hundred thirty-eight million, nine hundred thirty-one thousand, nine hundred eighty-two".