40506712 has 32 divisors (see below), whose sum is σ = 78441120. Its totient is φ = 19595520.

The previous prime is 40506709. The next prime is 40506721. The reversal of 40506712 is 21760504.

It is a congruent number.

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, 82933 + ... + 83419.

It is an arithmetic number, because the mean of its divisors is an integer number (2451285).

Almost surely, 2^40506712 is an apocalyptic number.

It is an amenable number.

40506712 is a deficient number, since it is larger than the sum of its proper divisors (37934408).

40506712 is a wasteful number, since it uses less digits than its factorization.

40506712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40506712 is about 6364.4883533557. The cubic root of 40506712 is about 343.4332428835.

The spelling of 40506712 in words is "forty million, five hundred six thousand, seven hundred twelve".