40041511 has 8 divisors (see below), whose sum is σ = 43543440. Its totient is φ = 36667008.

The previous prime is 40041479. The next prime is 40041523. The reversal of 40041511 is 11514004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40041511 - 2⁵ = 40041479 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 (40041311) 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, 31201 + ... + 32458.

It is an arithmetic number, because the mean of its divisors is an integer number (5442930).

Almost surely, 2^40041511 is an apocalyptic number.

40041511 is a deficient number, since it is larger than the sum of its proper divisors (3501929).

40041511 is a wasteful number, since it uses less digits than its factorization.

40041511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63713.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40041511 is about 6327.8362020520. The cubic root of 40041511 is about 342.1134531202.

Adding to 40041511 its reverse (11514004), we get a palindrome (51555515).

The spelling of 40041511 in words is "forty million, forty-one thousand, five hundred eleven".