40740812 has 12 divisors (see below), whose sum is σ = 81481680. Its totient is φ = 17460336.

The previous prime is 40740803. The next prime is 40740827. The reversal of 40740812 is 21804704.

40740812 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727487 + ... + 727542.

It is an arithmetic number, because the mean of its divisors is an integer number (6790140).

Almost surely, 2^40740812 is an apocalyptic number.

It is an amenable number.

40740812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40740812 is a wasteful number, since it uses less digits than its factorization.

40740812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455040 (or 1455038 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40740812 is about 6382.8529671300. The cubic root of 40740812 is about 344.0935724355.

The spelling of 40740812 in words is "forty million, seven hundred forty thousand, eight hundred twelve".