40001342332 has 24 divisors (see below), whose sum is σ = 80481752064. Its totient is φ = 17040775152.

The previous prime is 40001342323. The next prime is 40001342369. The reversal of 40001342332 is 23324310004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272628 + ... + 4281979.

It is an arithmetic number, because the mean of its divisors is an integer number (3353406336).

Almost surely, 2^40001342332 is an apocalyptic number.

It is an amenable number.

40001342332 is an abundant number, since it is smaller than the sum of its proper divisors (40480409732).

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

40001342332 is a wasteful number, since it uses less digits than its factorization.

40001342332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554785 (or 8554783 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40001342332 its reverse (23324310004), we get a palindrome (63325652336).

The spelling of 40001342332 in words is "forty billion, one million, three hundred forty-two thousand, three hundred thirty-two".