42340663502 has 4 divisors (see below), whose sum is σ = 63510995256. Its totient is φ = 21170331750.

The previous prime is 42340663501. The next prime is 42340663513. The reversal of 42340663502 is 20536604324.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340663501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10585165874 + ... + 10585165877.

It is an arithmetic number, because the mean of its divisors is an integer number (15877748814).

Almost surely, 2^42340663502 is an apocalyptic number.

42340663502 is a deficient number, since it is larger than the sum of its proper divisors (21170331754).

42340663502 is a wasteful number, since it uses less digits than its factorization.

42340663502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21170331753.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 42340663502 in words is "forty-two billion, three hundred forty million, six hundred sixty-three thousand, five hundred two".