42402610 has 16 divisors (see below), whose sum is σ = 78187032. Its totient is φ = 16547200.

The previous prime is 42402589. The next prime is 42402617. The reversal of 42402610 is 1620424.

It can be written as a sum of positive squares in 4 ways, for example, as 20584369 + 21818241 = 4537^2 + 4671^2 .

It is not an unprimeable number, because it can be changed into a prime (42402617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51301 + ... + 52120.

Almost surely, 2^42402610 is an apocalyptic number.

42402610 is a deficient number, since it is larger than the sum of its proper divisors (35784422).

42402610 is a wasteful number, since it uses less digits than its factorization.

42402610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103469.

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

The square root of 42402610 is about 6511.7286491376. The cubic root of 42402610 is about 348.7098350905.

The spelling of 42402610 in words is "forty-two million, four hundred two thousand, six hundred ten".