42340660403 has 16 divisors (see below), whose sum is σ = 43540062720. Its totient is φ = 41151456864.

The previous prime is 42340660399. The next prime is 42340660421. The reversal of 42340660403 is 30406604324.

It is a cyclic number.

It is not a de Polignac number, because 42340660403 - 2² = 42340660399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42340660403.

It is not an unprimeable number, because it can be changed into a prime (42340665403) 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, 10378118 + ... + 10382196.

It is an arithmetic number, because the mean of its divisors is an integer number (2721253920).

Almost surely, 2^42340660403 is an apocalyptic number.

42340660403 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42340660403 is a deficient number, since it is larger than the sum of its proper divisors (1199402317).

42340660403 is a wasteful number, since it uses less digits than its factorization.

42340660403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 42340660403 in words is "forty-two billion, three hundred forty million, six hundred sixty thousand, four hundred three".