42681650388 has 48 divisors (see below), whose sum is σ = 112896141120. Its totient is φ = 12441613824.

The previous prime is 42681650381. The next prime is 42681650411. The reversal of 42681650388 is 88305618624.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42681650388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42681650381) 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, 7197045 + ... + 7202972.

It is an arithmetic number, because the mean of its divisors is an integer number (2352002940).

Almost surely, 2^42681650388 is an apocalyptic number.

It is an amenable number.

42681650388 is an abundant number, since it is smaller than the sum of its proper divisors (70214490732).

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

42681650388 is a wasteful number, since it uses less digits than its factorization.

42681650388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14400056 (or 14400054 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 42681650388 in words is "forty-two billion, six hundred eighty-one million, six hundred fifty thousand, three hundred eighty-eight".