40252311 has 24 divisors (see below), whose sum is σ = 67161744. Its totient is φ = 22959360.

The previous prime is 40252307. The next prime is 40252313. The reversal of 40252311 is 11325204.

It is not a de Polignac number, because 40252311 - 2² = 40252307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40252313) 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, 10276 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (2798406).

Almost surely, 2^40252311 is an apocalyptic number.

40252311 is a deficient number, since it is larger than the sum of its proper divisors (26909433).

40252311 is a wasteful number, since it uses less digits than its factorization.

40252311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23951 (or 23948 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40252311 is about 6344.4708999254. The cubic root of 40252311 is about 342.7127589229.

Adding to 40252311 its reverse (11325204), we get a palindrome (51577515).

It can be divided in two parts, 4025 and 2311, that added together give a palindrome (6336).

The spelling of 40252311 in words is "forty million, two hundred fifty-two thousand, three hundred eleven".