40541751 has 24 divisors (see below), whose sum is σ = 60532784. Its totient is φ = 26127360.

The previous prime is 40541747. The next prime is 40541779. The reversal of 40541751 is 15714504.

It is a happy number.

It is not a de Polignac number, because 40541751 - 2² = 40541747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40541701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69975 + ... + 70551.

Almost surely, 2^40541751 is an apocalyptic number.

40541751 is a deficient number, since it is larger than the sum of its proper divisors (19991033).

40541751 is a wasteful number, since it uses less digits than its factorization.

40541751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 40541751 is about 6367.2404540743. The cubic root of 40541751 is about 343.5322395578.

The spelling of 40541751 in words is "forty million, five hundred forty-one thousand, seven hundred fifty-one".