40423659496 has 64 divisors (see below), whose sum is σ = 85975810560. Its totient is φ = 17651712000.

The previous prime is 40423659487. The next prime is 40423659503. The reversal of 40423659496 is 69495632404.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319656 + ... + 427816.

It is an arithmetic number, because the mean of its divisors is an integer number (1343372040).

Almost surely, 2^40423659496 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 40423659496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42987905280).

40423659496 is an abundant number, since it is smaller than the sum of its proper divisors (45552151064).

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

40423659496 is a wasteful number, since it uses less digits than its factorization.

40423659496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108346 (or 108342 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 40423659496 in words is "forty billion, four hundred twenty-three million, six hundred fifty-nine thousand, four hundred ninety-six".