42321320140 has 96 divisors (see below), whose sum is σ = 104842128384. Its totient is φ = 14176066560.

The previous prime is 42321320117. The next prime is 42321320179. The reversal of 42321320140 is 4102312324.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55399 + ... + 296161.

It is an arithmetic number, because the mean of its divisors is an integer number (1092105504).

Almost surely, 2^42321320140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42321320140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52421064192).

42321320140 is an abundant number, since it is smaller than the sum of its proper divisors (62520808244).

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

42321320140 is a wasteful number, since it uses less digits than its factorization.

42321320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240847 (or 240845 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42321320140 its reverse (4102312324), we get a palindrome (46423632464).

The spelling of 42321320140 in words is "forty-two billion, three hundred twenty-one million, three hundred twenty thousand, one hundred forty".