40661160 has 64 divisors (see below), whose sum is σ = 122774400. Its totient is φ = 10772736.

The previous prime is 40661147. The next prime is 40661167. The reversal of 40661160 is 6116604.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40661160.

It is not an unprimeable number, because it can be changed into a prime (40661167) 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, 19026 + ... + 21054.

It is an arithmetic number, because the mean of its divisors is an integer number (1918350).

Almost surely, 2^40661160 is an apocalyptic number.

40661160 is a gapful number since it is divisible by the number (40) 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 40661160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61387200).

40661160 is an abundant number, since it is smaller than the sum of its proper divisors (82113240).

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

40661160 is a wasteful number, since it uses less digits than its factorization.

40661160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 40661160 is about 6376.6103848361. The cubic root of 40661160 is about 343.8691813736.

Adding to 40661160 its reverse (6116604), we get a palindrome (46777764).

The spelling of 40661160 in words is "forty million, six hundred sixty-one thousand, one hundred sixty".