42102430 has 16 divisors (see below), whose sum is σ = 76168800. Its totient is φ = 16755552.

The previous prime is 42102427. The next prime is 42102439. The reversal of 42102430 is 3420124.

42102430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42102430² = 3545229223809800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8589 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (4760550).

Almost surely, 2^42102430 is an apocalyptic number.

42102430 is a deficient number, since it is larger than the sum of its proper divisors (34066370).

42102430 is a wasteful number, since it uses less digits than its factorization.

42102430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21363.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42102430 is about 6488.6385320805. The cubic root of 42102430 is about 347.8850139769.

Adding to 42102430 its reverse (3420124), we get a palindrome (45522554).

The spelling of 42102430 in words is "forty-two million, one hundred two thousand, four hundred thirty".