41891140 has 24 divisors (see below), whose sum is σ = 89416152. Its totient is φ = 16481280.

The previous prime is 41891107. The next prime is 41891149. The reversal of 41891140 is 4119814.

It can be written as a sum of positive squares in 4 ways, for example, as 4356 + 41886784 = 66^2 + 6472^2 .

It is a super-2 number, since 2×41891140² = 3509735220999200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41891099 and 41891108.

It is not an unprimeable number, because it can be changed into a prime (41891149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15949 + ... + 18388.

It is an arithmetic number, because the mean of its divisors is an integer number (3725673).

Almost surely, 2^41891140 is an apocalyptic number.

It is an amenable number.

41891140 is an abundant number, since it is smaller than the sum of its proper divisors (47525012).

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

41891140 is a wasteful number, since it uses less digits than its factorization.

41891140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34407 (or 34405 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 41891140 is about 6472.3365178272. The cubic root of 41891140 is about 347.3020869823.

It can be divided in two parts, 4189 and 1140, that added together give a square (5329 = 73²).

The spelling of 41891140 in words is "forty-one million, eight hundred ninety-one thousand, one hundred forty".