40837433408 has 112 divisors (see below), whose sum is σ = 83789861376. Its totient is φ = 19740672000.

The previous prime is 40837433407. The next prime is 40837433431. The reversal of 40837433408 is 80433473804.

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 not an unprimeable number, because it can be changed into a prime (40837433407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54377033 + ... + 54377783.

Almost surely, 2^40837433408 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 40837433408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41894930688).

40837433408 is an abundant number, since it is smaller than the sum of its proper divisors (42952427968).

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

40837433408 is a wasteful number, since it uses less digits than its factorization.

40837433408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 40837433408 in words is "forty billion, eight hundred thirty-seven million, four hundred thirty-three thousand, four hundred eight".