104640242 has 32 divisors (see below), whose sum is σ = 185480064. Its totient is φ = 43344000.

The previous prime is 104640233. The next prime is 104640247. The reversal of 104640242 is 242046401.

It is not an unprimeable number, because it can be changed into a prime (104640247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59942 + ... + 61662.

It is an arithmetic number, because the mean of its divisors is an integer number (5796252).

Almost surely, 2^104640242 is an apocalyptic number.

104640242 is a deficient number, since it is larger than the sum of its proper divisors (80839822).

104640242 is a wasteful number, since it uses less digits than its factorization.

104640242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 104640242 is about 10229.3813107147. The cubic root of 104640242 is about 471.2299789096.

Adding to 104640242 its reverse (242046401), we get a palindrome (346686643).

The spelling of 104640242 in words is "one hundred four million, six hundred forty thousand, two hundred forty-two".