42405910 has 32 divisors (see below), whose sum is σ = 80720640. Its totient is φ = 15995232.

The previous prime is 42405907. The next prime is 42405941. The reversal of 42405910 is 1950424.

It is a super-2 number, since 2×42405910² = 3596522405856200, 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 15 ways as a sum of consecutive naturals, for example, 57967 + ... + 58693.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^42405910 is an apocalyptic number.

42405910 is a deficient number, since it is larger than the sum of its proper divisors (38314730).

42405910 is a wasteful number, since it uses less digits than its factorization.

42405910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 42405910 is about 6511.9820331447. The cubic root of 42405910 is about 348.7188810164.

The spelling of 42405910 in words is "forty-two million, four hundred five thousand, nine hundred ten".