42726421162172 has 12 divisors (see below), whose sum is σ = 81568622218776. Its totient is φ = 19421100528240.

The previous prime is 42726421162133. The next prime is 42726421162211. The reversal of 42726421162172 is 27126112462724.

42726421162172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42726421162133) and next prime (42726421162211).

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485527513163 + ... + 485527513250.

It is an arithmetic number, because the mean of its divisors is an integer number (6797385184898).

Almost surely, 2^{42726421162172} is an apocalyptic number.

It is an amenable number.

42726421162172 is a deficient number, since it is larger than the sum of its proper divisors (38842201056604).

42726421162172 is a wasteful number, since it uses less digits than its factorization.

42726421162172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971055026428 (or 971055026426 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The spelling of 42726421162172 in words is "forty-two trillion, seven hundred twenty-six billion, four hundred twenty-one million, one hundred sixty-two thousand, one hundred seventy-two".