40338192408 has 64 divisors (see below), whose sum is σ = 105335942400. Its totient is φ = 12856341120.

The previous prime is 40338192353. The next prime is 40338192431. The reversal of 40338192408 is 80429183304.

It is a self number, because there is not a number n which added to its sum of digits gives 40338192408.

It is a congruent 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, 209658 + ... + 353033.

It is an arithmetic number, because the mean of its divisors is an integer number (1645874100).

Almost surely, 2^40338192408 is an apocalyptic number.

It is an amenable number.

40338192408 is an abundant number, since it is smaller than the sum of its proper divisors (64997749992).

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

40338192408 is a wasteful number, since it uses less digits than its factorization.

40338192408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562832 (or 562828 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 40338192408 in words is "forty billion, three hundred thirty-eight million, one hundred ninety-two thousand, four hundred eight".