40489612 has 12 divisors (see below), whose sum is σ = 71267616. Its totient is φ = 20127440.

The previous prime is 40489583. The next prime is 40489613. The reversal of 40489612 is 21698404.

It is not an unprimeable number, because it can be changed into a prime (40489613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28564 + ... + 29947.

It is an arithmetic number, because the mean of its divisors is an integer number (5938968).

Almost surely, 2^40489612 is an apocalyptic number.

It is an amenable number.

40489612 is a deficient number, since it is larger than the sum of its proper divisors (30778004).

40489612 is a wasteful number, since it uses less digits than its factorization.

40489612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58688 (or 58686 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 40489612 is about 6363.1448199770. The cubic root of 40489612 is about 343.3849090416.

The spelling of 40489612 in words is "forty million, four hundred eighty-nine thousand, six hundred twelve".