42164950872 has 32 divisors (see below), whose sum is σ = 114995321280. Its totient is φ = 12777257760.

The previous prime is 42164950871. The next prime is 42164950873. The reversal of 42164950872 is 27805946124.

It is an interprime number because it is at equal distance from previous prime (42164950871) and next prime (42164950873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42164950871) by changing a digit.

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, 79857598 + ... + 79858125.

It is an arithmetic number, because the mean of its divisors is an integer number (3593603790).

Almost surely, 2^42164950872 is an apocalyptic number.

It is an amenable number.

42164950872 is an abundant number, since it is smaller than the sum of its proper divisors (72830370408).

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

42164950872 is a wasteful number, since it uses less digits than its factorization.

42164950872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159715743 (or 159715739 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 42164950872 in words is "forty-two billion, one hundred sixty-four million, nine hundred fifty thousand, eight hundred seventy-two".