40889511 has 12 divisors (see below), whose sum is σ = 63606088. Its totient is φ = 25162704.

The previous prime is 40889473. The next prime is 40889521. The reversal of 40889511 is 11598804.

It is not a de Polignac number, because 40889511 - 2⁷ = 40889383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40889521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174625 + ... + 174858.

Almost surely, 2^40889511 is an apocalyptic number.

40889511 is a deficient number, since it is larger than the sum of its proper divisors (22716577).

40889511 is a wasteful number, since it uses less digits than its factorization.

40889511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349502 (or 349499 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 40889511 is about 6394.4906755738. The cubic root of 40889511 is about 344.5116973509.

The spelling of 40889511 in words is "forty million, eight hundred eighty-nine thousand, five hundred eleven".