40741191 has 8 divisors (see below), whose sum is σ = 60357360. Its totient is φ = 27160776.

The previous prime is 40741147. The next prime is 40741193. The reversal of 40741191 is 19114704.

It is not a de Polignac number, because 40741191 - 2¹¹ = 40739143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1508933 = 40741191 / (4 + 0 + 7 + 4 + 1 + 1 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40741193) 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, 754440 + ... + 754493.

It is an arithmetic number, because the mean of its divisors is an integer number (7544670).

Almost surely, 2^40741191 is an apocalyptic number.

40741191 is a deficient number, since it is larger than the sum of its proper divisors (19616169).

40741191 is a wasteful number, since it uses less digits than its factorization.

40741191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508942 (or 1508936 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 40741191 is about 6382.8826559792. The cubic root of 40741191 is about 344.0946394332.

Adding to 40741191 its reverse (19114704), we get a palindrome (59855895).

The spelling of 40741191 in words is "forty million, seven hundred forty-one thousand, one hundred ninety-one".