42000430 has 8 divisors (see below), whose sum is σ = 75600792. Its totient is φ = 16800168.

The previous prime is 42000419. The next prime is 42000457. The reversal of 42000430 is 3400024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42000430² = 3528072240369800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42000430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100012 + ... + 2100031.

It is an arithmetic number, because the mean of its divisors is an integer number (9450099).

Almost surely, 2^42000430 is an apocalyptic number.

42000430 is a deficient number, since it is larger than the sum of its proper divisors (33600362).

42000430 is a wasteful number, since it uses less digits than its factorization.

42000430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200050.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 42000430 is about 6480.7738735432. The cubic root of 42000430 is about 347.6038507477.

Adding to 42000430 its reverse (3400024), we get a palindrome (45400454).

The spelling of 42000430 in words is "forty-two million, four hundred thirty", and thus it is an aban number.