40322232340 has 96 divisors (see below), whose sum is σ = 96810577920. Its totient is φ = 13975259136.

The previous prime is 40322232299. The next prime is 40322232347. The reversal of 40322232340 is 4323222304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322232347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1680951 + ... + 1704769.

It is an arithmetic number, because the mean of its divisors is an integer number (1008443520).

Almost surely, 2^40322232340 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 40322232340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48405288960).

40322232340 is an abundant number, since it is smaller than the sum of its proper divisors (56488345580).

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

40322232340 is a wasteful number, since it uses less digits than its factorization.

40322232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24241 (or 24239 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 40322232340 its reverse (4323222304), we get a palindrome (44645454644).

The spelling of 40322232340 in words is "forty billion, three hundred twenty-two million, two hundred thirty-two thousand, three hundred forty".