40683489 has 32 divisors (see below), whose sum is σ = 68926464. Its totient is φ = 20729280.

The previous prime is 40683473. The next prime is 40683553. The reversal of 40683489 is 98438604.

It is not a de Polignac number, because 40683489 - 2⁴ = 40683473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40683489.

It is not an unprimeable number, because it can be changed into a prime (40683469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10582 + ... + 13904.

It is an arithmetic number, because the mean of its divisors is an integer number (2153952).

Almost surely, 2^40683489 is an apocalyptic number.

It is an amenable number.

40683489 is a deficient number, since it is larger than the sum of its proper divisors (28242975).

40683489 is a wasteful number, since it uses less digits than its factorization.

40683489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40683489 is about 6378.3609963689. The cubic root of 40683489 is about 343.9321148945.

It can be divided in two parts, 4068 and 3489, that added together give a palindrome (7557).

The spelling of 40683489 in words is "forty million, six hundred eighty-three thousand, four hundred eighty-nine".