42126402 has 16 divisors (see below), whose sum is σ = 85407840. Its totient is φ = 13849632.

The previous prime is 42126389. The next prime is 42126443. The reversal of 42126402 is 20462124.

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, 47652 + ... + 48527.

It is an arithmetic number, because the mean of its divisors is an integer number (5337990).

Almost surely, 2^42126402 is an apocalyptic number.

42126402 is an abundant number, since it is smaller than the sum of its proper divisors (43281438).

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

42126402 is a wasteful number, since it uses less digits than its factorization.

42126402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96257.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42126402 is about 6490.4854980194. The cubic root of 42126402 is about 347.9510269306.

Adding to 42126402 its reverse (20462124), we get a palindrome (62588526).

The spelling of 42126402 in words is "forty-two million, one hundred twenty-six thousand, four hundred two".