40490512 has 40 divisors (see below), whose sum is σ = 80593056. Its totient is φ = 19700736.

The previous prime is 40490503. The next prime is 40490531. The reversal of 40490512 is 21509404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114528 + ... + 114880.

Almost surely, 2^40490512 is an apocalyptic number.

It is an amenable number.

40490512 is a deficient number, since it is larger than the sum of its proper divisors (40102544).

40490512 is a wasteful number, since it uses less digits than its factorization.

40490512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40490512 is about 6363.2155393323. The cubic root of 40490512 is about 343.3874532673.

Adding to 40490512 its reverse (21509404), we get a palindrome (61999916).

The spelling of 40490512 in words is "forty million, four hundred ninety thousand, five hundred twelve".