60840042 has 64 divisors (see below), whose sum is σ = 135364608. Its totient is φ = 18144000.

The previous prime is 60840041. The next prime is 60840047. The reversal of 60840042 is 24004806.

It is a junction number, because it is equal to n+sod(n) for n = 60839994 and 60840021.

It is not an unprimeable number, because it can be changed into a prime (60840041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224367 + ... + 224637.

It is an arithmetic number, because the mean of its divisors is an integer number (2115072).

Almost surely, 2^60840042 is an apocalyptic number.

60840042 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

60840042 is an abundant number, since it is smaller than the sum of its proper divisors (74524566).

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

60840042 is a wasteful number, since it uses less digits than its factorization.

60840042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 60840042 is about 7800.0026923072. The cubic root of 60840042 is about 393.3053328403.

Adding to 60840042 its reverse (24004806), we get a palindrome (84844848).

The spelling of 60840042 in words is "sixty million, eight hundred forty thousand, forty-two".