42531610650 has 96 divisors (see below), whose sum is σ = 111776060160. Its totient is φ = 10665707520.

The previous prime is 42531610621. The next prime is 42531610657. The reversal of 42531610650 is 5601613524.

It is not an unprimeable number, because it can be changed into a prime (42531610657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3377566 + ... + 3390134.

It is an arithmetic number, because the mean of its divisors is an integer number (1164333960).

Almost surely, 2^42531610650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42531610650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55888030080).

42531610650 is an abundant number, since it is smaller than the sum of its proper divisors (69244449510).

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

42531610650 is a wasteful number, since it uses less digits than its factorization.

42531610650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928 (or 13923 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 42531610650 in words is "forty-two billion, five hundred thirty-one million, six hundred ten thousand, six hundred fifty".