42172495626 has 8 divisors (see below), whose sum is σ = 84344991264. Its totient is φ = 14057498540.

The previous prime is 42172495619. The next prime is 42172495649. The reversal of 42172495626 is 62659427124.

42172495626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42172495626 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3514374630 + ... + 3514374641.

It is an arithmetic number, because the mean of its divisors is an integer number (10543123908).

Almost surely, 2^42172495626 is an apocalyptic number.

42172495626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42172495626 is a wasteful number, since it uses less digits than its factorization.

42172495626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028749276.

The product of its digits is 1451520, while the sum is 48.

The spelling of 42172495626 in words is "forty-two billion, one hundred seventy-two million, four hundred ninety-five thousand, six hundred twenty-six".