40046056 has 8 divisors (see below), whose sum is σ = 75086370. Its totient is φ = 20023024.

The previous prime is 40046051. The next prime is 40046077. The reversal of 40046056 is 65064004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25100100 + 14945956 = 5010^2 + 3866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40046056.

It is not an unprimeable number, because it can be changed into a prime (40046051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502871 + ... + 2502886.

Almost surely, 2^40046056 is an apocalyptic number.

It is an amenable number.

40046056 is a deficient number, since it is larger than the sum of its proper divisors (35040314).

40046056 is a wasteful number, since it uses less digits than its factorization.

40046056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005763 (or 5005759 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40046056 is about 6328.1953193624. The cubic root of 40046056 is about 342.1263967445.

The spelling of 40046056 in words is "forty million, forty-six thousand, fifty-six", and thus it is an eban number.