40540110 has 64 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 9452160.

The previous prime is 40540109. The next prime is 40540111. The reversal of 40540110 is 1104504.

It is an interprime number because it is at equal distance from previous prime (40540109) and next prime (40540111).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40540110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4675 + ... + 10145.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^40540110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40540110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55157760).

40540110 is an abundant number, since it is smaller than the sum of its proper divisors (69775410).

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

40540110 is a wasteful number, since it uses less digits than its factorization.

40540110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40540110 is about 6367.1115900383. Note that the first 3 decimals coincide. The cubic root of 40540110 is about 343.5276044676.

Adding to 40540110 its reverse (1104504), we get a palindrome (41644614).

The spelling of 40540110 in words is "forty million, five hundred forty thousand, one hundred ten".