42402460039 has 4 divisors (see below), whose sum is σ = 42422267160. Its totient is φ = 42382652920.

The previous prime is 42402460033. The next prime is 42402460091. The reversal of 42402460039 is 93006420424.

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

It is a cyclic number.

It is not a de Polignac number, because 42402460039 - 2⁹ = 42402459527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42402459986 and 42402460013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42402460033) 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 in 3 ways as a sum of consecutive naturals, for example, 9900349 + ... + 9904630.

It is an arithmetic number, because the mean of its divisors is an integer number (10605566790).

Almost surely, 2^42402460039 is an apocalyptic number.

42402460039 is a deficient number, since it is larger than the sum of its proper divisors (19807121).

42402460039 is a wasteful number, since it uses less digits than its factorization.

42402460039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19807120.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 42402460039 in words is "forty-two billion, four hundred two million, four hundred sixty thousand, thirty-nine".