40899168 has 120 divisors (see below), whose sum is σ = 124407360. Its totient is φ = 13167360.

The previous prime is 40899167. The next prime is 40899179. The reversal of 40899168 is 86199804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40899167) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80098 + ... + 80606.

It is an arithmetic number, because the mean of its divisors is an integer number (1036728).

Almost surely, 2^40899168 is an apocalyptic number.

40899168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40899168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62203680).

40899168 is an abundant number, since it is smaller than the sum of its proper divisors (83508192).

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

40899168 is a wasteful number, since it uses less digits than its factorization.

40899168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 40899168 is about 6395.2457341372. The cubic root of 40899168 is about 344.5388166740.

The spelling of 40899168 in words is "forty million, eight hundred ninety-nine thousand, one hundred sixty-eight".