42047257622 has 4 divisors (see below), whose sum is σ = 63070886436. Its totient is φ = 21023628810.

The previous prime is 42047257607. The next prime is 42047257627. The reversal of 42047257622 is 22675274024.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×42047257622³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42047257622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42047257627) 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 as a sum of consecutive naturals, namely, 10511814404 + ... + 10511814407.

It is an arithmetic number, because the mean of its divisors is an integer number (15767721609).

Almost surely, 2^42047257622 is an apocalyptic number.

42047257622 is a deficient number, since it is larger than the sum of its proper divisors (21023628814).

42047257622 is a wasteful number, since it uses less digits than its factorization.

42047257622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21023628813.

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 42047257622 in words is "forty-two billion, forty-seven million, two hundred fifty-seven thousand, six hundred twenty-two".