42002516 has 12 divisors (see below), whose sum is σ = 73569300. Its totient is φ = 20982720.

The previous prime is 42002509. The next prime is 42002539. The reversal of 42002516 is 61520024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30846916 + 11155600 = 5554^2 + 3340^2 .

It is a super-2 number, since 2×42002516² = 3528422700660512, which contains 22 as substring.

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, 1310 + ... + 9258.

It is an arithmetic number, because the mean of its divisors is an integer number (6130775).

Almost surely, 2^42002516 is an apocalyptic number.

It is an amenable number.

42002516 is a deficient number, since it is larger than the sum of its proper divisors (31566784).

42002516 is a wasteful number, since it uses less digits than its factorization.

42002516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274 (or 9272 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42002516 is about 6480.9348091151. The cubic root of 42002516 is about 347.6096053683.

The spelling of 42002516 in words is "forty-two million, two thousand, five hundred sixteen".