42052402 has 8 divisors (see below), whose sum is σ = 72089856. Its totient is φ = 18022452.

The previous prime is 42052379. The next prime is 42052403. The reversal of 42052402 is 20425024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42052402.

It is not an unprimeable number, because it can be changed into a prime (42052403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501858 + ... + 1501885.

It is an arithmetic number, because the mean of its divisors is an integer number (9011232).

Almost surely, 2^42052402 is an apocalyptic number.

42052402 is a deficient number, since it is larger than the sum of its proper divisors (30037454).

42052402 is a wasteful number, since it uses less digits than its factorization.

42052402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003752.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42052402 is about 6484.7823402178. The cubic root of 42052402 is about 347.7471684936.

Adding to 42052402 its reverse (20425024), we get a palindrome (62477426).

The spelling of 42052402 in words is "forty-two million, fifty-two thousand, four hundred two".