40800812 has 24 divisors (see below), whose sum is σ = 77623056. Its totient is φ = 18652608.

The previous prime is 40800811. The next prime is 40800829. The reversal of 40800812 is 21800804.

It is not an unprimeable number, because it can be changed into a prime (40800811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898 + ... + 9230.

It is an arithmetic number, because the mean of its divisors is an integer number (3234294).

Almost surely, 2^40800812 is an apocalyptic number.

It is an amenable number.

40800812 is a deficient number, since it is larger than the sum of its proper divisors (36822244).

40800812 is a wasteful number, since it uses less digits than its factorization.

40800812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457 (or 7455 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 40800812 is about 6387.5513305178. The cubic root of 40800812 is about 344.2624079473.

The spelling of 40800812 in words is "forty million, eight hundred thousand, eight hundred twelve".