42103340 has 24 divisors (see below), whose sum is σ = 92262240. Its totient is φ = 16108928.

The previous prime is 42103337. The next prime is 42103357. The reversal of 42103340 is 4330124.

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, 45305 + ... + 46224.

It is an arithmetic number, because the mean of its divisors is an integer number (3844260).

Almost surely, 2^42103340 is an apocalyptic number.

It is an amenable number.

42103340 is an abundant number, since it is smaller than the sum of its proper divisors (50158900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42103340 is a wasteful number, since it uses less digits than its factorization.

42103340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91561 (or 91559 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42103340 is about 6488.7086542701. The cubic root of 42103340 is about 347.8875203491.

Adding to 42103340 its reverse (4330124), we get a palindrome (46433464).

The spelling of 42103340 in words is "forty-two million, one hundred three thousand, three hundred forty".