42420440102 has 32 divisors (see below), whose sum is σ = 67864210560. Its totient is φ = 19817441280.

The previous prime is 42420440093. The next prime is 42420440131. The reversal of 42420440102 is 20104402424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7262099 + ... + 7267937.

It is an arithmetic number, because the mean of its divisors is an integer number (2120756580).

Almost surely, 2^42420440102 is an apocalyptic number.

42420440102 is a deficient number, since it is larger than the sum of its proper divisors (25443770458).

42420440102 is a wasteful number, since it uses less digits than its factorization.

42420440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 42420440102 its reverse (20104402424), we get a palindrome (62524842526).

The spelling of 42420440102 in words is "forty-two billion, four hundred twenty million, four hundred forty thousand, one hundred two".