16042402 has 8 divisors (see below), whose sum is σ = 24284700. Its totient is φ = 7947504.

The previous prime is 16042399. The next prime is 16042427. The reversal of 16042402 is 20424061.

16042402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14830201 + 1212201 = 3851^2 + 1101^2 .

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

It is a super-3 number, since 3×16042402³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16042402.

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, 36577 + ... + 37012.

Almost surely, 2^16042402 is an apocalyptic number.

16042402 is a deficient number, since it is larger than the sum of its proper divisors (8242298).

16042402 is a wasteful number, since it uses less digits than its factorization.

16042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73700.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 16042402 is about 4005.2967430641. The cubic root of 16042402 is about 252.2066101832.

Adding to 16042402 its reverse (20424061), we get a palindrome (36466463).

The spelling of 16042402 in words is "sixteen million, forty-two thousand, four hundred two".