40069868 has 12 divisors (see below), whose sum is σ = 70203672. Its totient is φ = 20011680.

The previous prime is 40069859. The next prime is 40069871. The reversal of 40069868 is 86896004.

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, 1598 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (5850306).

Almost surely, 2^40069868 is an apocalyptic number.

It is an amenable number.

40069868 is a deficient number, since it is larger than the sum of its proper divisors (30133804).

40069868 is a wasteful number, since it uses less digits than its factorization.

40069868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11632 (or 11630 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 40069868 is about 6330.0764608336. The cubic root of 40069868 is about 342.1941945119.

The spelling of 40069868 in words is "forty million, sixty-nine thousand, eight hundred sixty-eight".