42030402 has 16 divisors (see below), whose sum is σ = 84138912. Its totient is φ = 13997120.

The previous prime is 42030379. The next prime is 42030421. The reversal of 42030402 is 20403024.

It is a happy 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, 5593 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (5258682).

Almost surely, 2^42030402 is an apocalyptic number.

42030402 is an abundant number, since it is smaller than the sum of its proper divisors (42108510).

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

42030402 is a wasteful number, since it uses less digits than its factorization.

42030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 42030402 is about 6483.0858393207. The cubic root of 42030402 is about 347.6865158170.

Adding to 42030402 its reverse (20403024), we get a palindrome (62433426).

The spelling of 42030402 in words is "forty-two million, thirty thousand, four hundred two".