40847368 has 8 divisors (see below), whose sum is σ = 76588830. Its totient is φ = 20423680.

The previous prime is 40847299. The next prime is 40847383. The reversal of 40847368 is 86374804.

It can be written as a sum of positive squares in only one way, i.e., 39162564 + 1684804 = 6258^2 + 1298^2 .

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 40847368.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552953 + ... + 2552968.

Almost surely, 2^40847368 is an apocalyptic number.

It is an amenable number.

40847368 is a deficient number, since it is larger than the sum of its proper divisors (35741462).

40847368 is a wasteful number, since it uses less digits than its factorization.

40847368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105927 (or 5105923 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 40847368 is about 6391.1945675280. The cubic root of 40847368 is about 344.3932990387.

The spelling of 40847368 in words is "forty million, eight hundred forty-seven thousand, three hundred sixty-eight".