40344333402 has 32 divisors (see below), whose sum is σ = 80964209664. Its totient is φ = 13402257200.

The previous prime is 40344333397. The next prime is 40344333427. The reversal of 40344333402 is 20433344304.

40344333402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40344333402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502973 + ... + 2519039.

It is an arithmetic number, because the mean of its divisors is an integer number (2530131552).

Almost surely, 2^40344333402 is an apocalyptic number.

40344333402 is an abundant number, since it is smaller than the sum of its proper divisors (40619876262).

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

40344333402 is a wasteful number, since it uses less digits than its factorization.

40344333402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 40344333402 its reverse (20433344304), we get a palindrome (60777677706).

The spelling of 40344333402 in words is "forty billion, three hundred forty-four million, three hundred thirty-three thousand, four hundred two".