32251279138 has 16 divisors (see below), whose sum is σ = 52160351040. Its totient is φ = 14867454096.

The previous prime is 32251279129. The next prime is 32251279157. The reversal of 32251279138 is 83197215223.

It is a junction number, because it is equal to n+sod(n) for n = 32251279094 and 32251279103.

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 7 ways as a sum of consecutive naturals, for example, 717420 + ... + 761047.

It is an arithmetic number, because the mean of its divisors is an integer number (3260021940).

Almost surely, 2^32251279138 is an apocalyptic number.

32251279138 is a deficient number, since it is larger than the sum of its proper divisors (19909071902).

32251279138 is a wasteful number, since it uses less digits than its factorization.

32251279138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479321.

The product of its digits is 181440, while the sum is 43.

The spelling of 32251279138 in words is "thirty-two billion, two hundred fifty-one million, two hundred seventy-nine thousand, one hundred thirty-eight".