40452111 has 24 divisors (see below), whose sum is σ = 67916160. Its totient is φ = 22721616.

The previous prime is 40452109. The next prime is 40452119. The reversal of 40452111 is 11125404.

It is not a de Polignac number, because 40452111 - 2¹ = 40452109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40452119) 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, 1725 + ... + 9158.

It is an arithmetic number, because the mean of its divisors is an integer number (2829840).

Almost surely, 2^40452111 is an apocalyptic number.

40452111 is a deficient number, since it is larger than the sum of its proper divisors (27464049).

40452111 is a wasteful number, since it uses less digits than its factorization.

40452111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955 (or 10952 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 40452111 is about 6360.1974025969. The cubic root of 40452111 is about 343.2788632809.

Adding to 40452111 its reverse (11125404), we get a palindrome (51577515).

The spelling of 40452111 in words is "forty million, four hundred fifty-two thousand, one hundred eleven".