42105494 has 16 divisors (see below), whose sum is σ = 64482480. Its totient is φ = 20614560.

The previous prime is 42105493. The next prime is 42105523. The reversal of 42105494 is 49450124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105491) 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, 32177 + ... + 33459.

It is an arithmetic number, because the mean of its divisors is an integer number (4030155).

Almost surely, 2^42105494 is an apocalyptic number.

42105494 is a deficient number, since it is larger than the sum of its proper divisors (22376986).

42105494 is a wasteful number, since it uses less digits than its factorization.

42105494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 42105494 is about 6488.8746327849. The cubic root of 42105494 is about 347.8934528709.

The spelling of 42105494 in words is "forty-two million, one hundred five thousand, four hundred ninety-four".