42155236322 has 8 divisors (see below), whose sum is σ = 63236298972. Its totient is φ = 21076470000.

The previous prime is 42155236309. The next prime is 42155236327. The reversal of 42155236322 is 22363255124.

It can be written as a sum of positive squares in 2 ways, for example, as 35997852361 + 6157383961 = 189731^2 + 78469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42155236327) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 527429 + ... + 602072.

Almost surely, 2^42155236322 is an apocalyptic number.

42155236322 is a deficient number, since it is larger than the sum of its proper divisors (21081062650).

42155236322 is a wasteful number, since it uses less digits than its factorization.

42155236322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148164.

The product of its digits is 86400, while the sum is 35.

The spelling of 42155236322 in words is "forty-two billion, one hundred fifty-five million, two hundred thirty-six thousand, three hundred twenty-two".