40052511 has 12 divisors (see below), whose sum is σ = 58367088. Its totient is φ = 26464704.

The previous prime is 40052489. The next prime is 40052521. The reversal of 40052511 is 11525004.

It is not a de Polignac number, because 40052511 - 2¹⁴ = 40036127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40052521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18675 + ... + 20708.

It is an arithmetic number, because the mean of its divisors is an integer number (4863924).

Almost surely, 2^40052511 is an apocalyptic number.

40052511 is a deficient number, since it is larger than the sum of its proper divisors (18314577).

40052511 is a wasteful number, since it uses less digits than its factorization.

40052511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39502 (or 39499 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 40052511 is about 6328.7053178356. The cubic root of 40052511 is about 342.1447781405.

Adding to 40052511 its reverse (11525004), we get a palindrome (51577515).

The spelling of 40052511 in words is "forty million, fifty-two thousand, five hundred eleven".