40322442 has 8 divisors (see below), whose sum is σ = 80644896. Its totient is φ = 13440812.

The previous prime is 40322437. The next prime is 40322449. The reversal of 40322442 is 24422304.

It is a sphenic number, since it is the product of 3 distinct primes.

40322442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40322449) 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, 3360198 + ... + 3360209.

It is an arithmetic number, because the mean of its divisors is an integer number (10080612).

Almost surely, 2^40322442 is an apocalyptic number.

40322442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40322442 is a wasteful number, since it uses less digits than its factorization.

40322442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720412.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 40322442 is about 6349.9954330692. The cubic root of 40322442 is about 342.9116778827.

Adding to 40322442 its reverse (24422304), we get a palindrome (64744746).

The spelling of 40322442 in words is "forty million, three hundred twenty-two thousand, four hundred forty-two".