42042420622 has 16 divisors (see below), whose sum is σ = 66850676352. Its totient is φ = 19761729280.

The previous prime is 42042420593. The next prime is 42042420709. The reversal of 42042420622 is 22602424024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687079 + ... + 745762.

It is an arithmetic number, because the mean of its divisors is an integer number (4178167272).

Almost surely, 2^42042420622 is an apocalyptic number.

42042420622 is a deficient number, since it is larger than the sum of its proper divisors (24808255730).

42042420622 is a wasteful number, since it uses less digits than its factorization.

42042420622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433723.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42042420622 its reverse (22602424024), we get a palindrome (64644844646).

The spelling of 42042420622 in words is "forty-two billion, forty-two million, four hundred twenty thousand, six hundred twenty-two".