42261064079 has 8 divisors (see below), whose sum is σ = 45953779872. Its totient is φ = 38631471840.

The previous prime is 42261064067. The next prime is 42261064093. The reversal of 42261064079 is 97046016224.

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

It is not a de Polignac number, because 42261064079 - 2²⁰ = 42260015503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42261066079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15779492 + ... + 15782169.

It is an arithmetic number, because the mean of its divisors is an integer number (5744222484).

Almost surely, 2^42261064079 is an apocalyptic number.

42261064079 is a deficient number, since it is larger than the sum of its proper divisors (3692715793).

42261064079 is a wasteful number, since it uses less digits than its factorization.

42261064079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31561777.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 42261064079 in words is "forty-two billion, two hundred sixty-one million, sixty-four thousand, seventy-nine".