40442402332 has 6 divisors (see below), whose sum is σ = 70774204088. Its totient is φ = 20221201164.

The previous prime is 40442402327. The next prime is 40442402353. The reversal of 40442402332 is 23320424404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40442402332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055300288 + ... + 5055300295.

Almost surely, 2^40442402332 is an apocalyptic number.

It is an amenable number.

40442402332 is a deficient number, since it is larger than the sum of its proper divisors (30331801756).

40442402332 is a wasteful number, since it uses less digits than its factorization.

40442402332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110600587 (or 10110600585 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40442402332 its reverse (23320424404), we get a palindrome (63762826736).

The spelling of 40442402332 in words is "forty billion, four hundred forty-two million, four hundred two thousand, three hundred thirty-two".