42345505340 has 48 divisors (see below), whose sum is σ = 89157268704. Its totient is φ = 16894137600.

The previous prime is 42345505327. The next prime is 42345505357. The reversal of 42345505340 is 4350554324.

It is a self number, because there is not a number n which added to its sum of digits gives 42345505340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16559342 + ... + 16561898.

It is an arithmetic number, because the mean of its divisors is an integer number (1857443098).

Almost surely, 2^42345505340 is an apocalyptic number.

It is an amenable number.

42345505340 is an abundant number, since it is smaller than the sum of its proper divisors (46811763364).

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

42345505340 is a wasteful number, since it uses less digits than its factorization.

42345505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398 (or 4396 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 42345505340 in words is "forty-two billion, three hundred forty-five million, five hundred five thousand, three hundred forty".