40038608896 has 208 divisors, whose sum is σ = 99623266848. Its totient is φ = 15807283200.

The previous prime is 40038608893. The next prime is 40038608989. The reversal of 40038608896 is 69880683004.

It is a tau number, because it is divible by the number of its divisors (208).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (40038608893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9955366 + ... + 9959386.

Almost surely, 2^40038608896 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 40038608896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49811633424).

40038608896 is an abundant number, since it is smaller than the sum of its proper divisors (59584657952).

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

40038608896 is a wasteful number, since it uses less digits than its factorization.

40038608896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 40038608896 in words is "forty billion, thirty-eight million, six hundred eight thousand, eight hundred ninety-six".