40160340 has 96 divisors (see below), whose sum is σ = 136321920. Its totient is φ = 9734400.

The previous prime is 40160339. The next prime is 40160347. The reversal of 40160340 is 4306104.

It is a super-2 number, since 2×40160340² = 3225705817831200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40160347) 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 31 ways as a sum of consecutive naturals, for example, 2560 + ... + 9320.

It is an arithmetic number, because the mean of its divisors is an integer number (1420020).

Almost surely, 2^40160340 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 40160340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68160960).

40160340 is an abundant number, since it is smaller than the sum of its proper divisors (96161580).

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

40160340 is a wasteful number, since it uses less digits than its factorization.

40160340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790 (or 6782 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40160340 is about 6337.2186328073. The cubic root of 40160340 is about 342.4515426854.

Adding to 40160340 its reverse (4306104), we get a palindrome (44466444).

The spelling of 40160340 in words is "forty million, one hundred sixty thousand, three hundred forty".