40141040 has 40 divisors (see below), whose sum is σ = 94733520. Its totient is φ = 15814656.

The previous prime is 40141037. The next prime is 40141061. The reversal of 40141040 is 4014104.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×40141040² = 3222606184563200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 9104.

It is an arithmetic number, because the mean of its divisors is an integer number (2368338).

Almost surely, 2^40141040 is an apocalyptic number.

40141040 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 40141040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47366760).

40141040 is an abundant number, since it is smaller than the sum of its proper divisors (54592480).

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

40141040 is a wasteful number, since it uses less digits than its factorization.

40141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7569 (or 7563 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40141040 is about 6335.6956997634. The cubic root of 40141040 is about 342.3966761694.

Adding to 40141040 its reverse (4014104), we get a palindrome (44155144).

The spelling of 40141040 in words is "forty million, one hundred forty-one thousand, forty".