40338838896 has 120 divisors (see below), whose sum is σ = 112324310784. Its totient is φ = 12467295360.

The previous prime is 40338838873. The next prime is 40338838907. The reversal of 40338838896 is 69883883304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789651 + ... + 839181.

Almost surely, 2^40338838896 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 40338838896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56162155392).

40338838896 is an abundant number, since it is smaller than the sum of its proper divisors (71985471888).

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

40338838896 is a wasteful number, since it uses less digits than its factorization.

40338838896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49627 (or 49602 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 40338838896 in words is "forty billion, three hundred thirty-eight million, eight hundred thirty-eight thousand, eight hundred ninety-six".