40336164 has 96 divisors (see below), whose sum is σ = 120153600. Its totient is φ = 11573280.

The previous prime is 40336159. The next prime is 40336171. The reversal of 40336164 is 46163304.

40336164 is a `hidden beast` number, since 40 + 3 + 3 + 616 + 4 = 666.

It is a super-2 number, since 2×40336164² = 3254012252469792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21679 + ... + 23465.

It is an arithmetic number, because the mean of its divisors is an integer number (1251600).

Almost surely, 2^40336164 is an apocalyptic number.

40336164 is a gapful number since it is divisible by the number (44) 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 40336164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60076800).

40336164 is an abundant number, since it is smaller than the sum of its proper divisors (79817436).

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

40336164 is a wasteful number, since it uses less digits than its factorization.

40336164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40336164 is about 6351.0758143798. The cubic root of 40336164 is about 342.9505718596.

Adding to 40336164 its reverse (46163304), we get a palindrome (86499468).

The spelling of 40336164 in words is "forty million, three hundred thirty-six thousand, one hundred sixty-four".