40534012 has 24 divisors (see below), whose sum is σ = 72481472. Its totient is φ = 19828800.

The previous prime is 40534009. The next prime is 40534033. The reversal of 40534012 is 21043504.

It is a super-2 number, since 2×40534012² = 3286012257632288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65818 + ... + 66430.

Almost surely, 2^40534012 is an apocalyptic number.

It is an amenable number.

40534012 is a deficient number, since it is larger than the sum of its proper divisors (31947460).

40534012 is a wasteful number, since it uses less digits than its factorization.

40534012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40534012 is about 6366.6327049705. The cubic root of 40534012 is about 343.5103792523.

Adding to 40534012 its reverse (21043504), we get a palindrome (61577516).

The spelling of 40534012 in words is "forty million, five hundred thirty-four thousand, twelve".