42102314420 has 24 divisors (see below), whose sum is σ = 88743551400. Its totient is φ = 16778317952.

The previous prime is 42102314411. The next prime is 42102314437. The reversal of 42102314420 is 2441320124.

It can be written as a sum of positive squares in 4 ways, for example, as 7431129616 + 34671184804 = 86204^2 + 186202^2 .

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, 3907475 + ... + 3918234.

It is an arithmetic number, because the mean of its divisors is an integer number (3697647975).

Almost surely, 2^42102314420 is an apocalyptic number.

It is an amenable number.

42102314420 is an abundant number, since it is smaller than the sum of its proper divisors (46641236980).

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

42102314420 is a wasteful number, since it uses less digits than its factorization.

42102314420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825987 (or 7825985 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42102314420 its reverse (2441320124), we get a palindrome (44543634544).

The spelling of 42102314420 in words is "forty-two billion, one hundred two million, three hundred fourteen thousand, four hundred twenty".