40440488408 has 16 divisors (see below), whose sum is σ = 75918061680. Its totient is φ = 20195671968.

The previous prime is 40440488359. The next prime is 40440488419. The reversal of 40440488408 is 80488404404.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 3064535 + ... + 3077702.

It is an arithmetic number, because the mean of its divisors is an integer number (4744878855).

Almost surely, 2^40440488408 is an apocalyptic number.

It is an amenable number.

40440488408 is a deficient number, since it is larger than the sum of its proper divisors (35477573272).

40440488408 is a wasteful number, since it uses less digits than its factorization.

40440488408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143066 (or 6143062 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 40440488408 in words is "forty billion, four hundred forty million, four hundred eighty-eight thousand, four hundred eight".