40033838976 has 128 divisors (see below), whose sum is σ = 111539496960. Its totient is φ = 12707481600.

The previous prime is 40033838959. The next prime is 40033839037. The reversal of 40033838976 is 67983833004.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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, 637801 + ... + 697751.

It is an arithmetic number, because the mean of its divisors is an integer number (871402320).

Almost surely, 2^40033838976 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 40033838976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55769748480).

40033838976 is an abundant number, since it is smaller than the sum of its proper divisors (71505657984).

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

40033838976 is a wasteful number, since it uses less digits than its factorization.

40033838976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60052 (or 60040 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 40033838976 in words is "forty billion, thirty-three million, eight hundred thirty-eight thousand, nine hundred seventy-six".