42201440324 has 12 divisors (see below), whose sum is σ = 74085496044. Its totient is φ = 21034155744.

The previous prime is 42201440317. The next prime is 42201440327. The reversal of 42201440324 is 42304410224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12562374724 + 29639065600 = 112082^2 + 172160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42201440293 and 42201440302.

It is not an unprimeable number, because it can be changed into a prime (42201440327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16639679 + ... + 16642214.

It is an arithmetic number, because the mean of its divisors is an integer number (6173791337).

Almost surely, 2^42201440324 is an apocalyptic number.

It is an amenable number.

42201440324 is a deficient number, since it is larger than the sum of its proper divisors (31884055720).

42201440324 is a wasteful number, since it uses less digits than its factorization.

42201440324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33282214 (or 33282212 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42201440324 its reverse (42304410224), we get a palindrome (84505850548).

The spelling of 42201440324 in words is "forty-two billion, two hundred one million, four hundred forty thousand, three hundred twenty-four".