42402626 has 16 divisors (see below), whose sum is σ = 73509120. Its totient is φ = 17967840.

The previous prime is 42402617. The next prime is 42402643. The reversal of 42402626 is 62620424.

It is a junction number, because it is equal to n+sod(n) for n = 42402595 and 42402604.

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, 15770 + ... + 18261.

It is an arithmetic number, because the mean of its divisors is an integer number (4594320).

Almost surely, 2^42402626 is an apocalyptic number.

42402626 is a deficient number, since it is larger than the sum of its proper divisors (31106494).

42402626 is a wasteful number, since it uses less digits than its factorization.

42402626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34129.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42402626 is about 6511.7298776900. The cubic root of 42402626 is about 348.7098789506.

The spelling of 42402626 in words is "forty-two million, four hundred two thousand, six hundred twenty-six".