40578268 has 12 divisors (see below), whose sum is σ = 71071840. Its totient is φ = 20272032.

The previous prime is 40578227. The next prime is 40578277. The reversal of 40578268 is 86287504.

It is a self number, because there is not a number n which added to its sum of digits gives 40578268.

It is a congruent 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, 2128 + ... + 9256.

Almost surely, 2^40578268 is an apocalyptic number.

It is an amenable number.

40578268 is a deficient number, since it is larger than the sum of its proper divisors (30493572).

40578268 is a wasteful number, since it uses less digits than its factorization.

40578268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556 (or 8554 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 40578268 is about 6370.1073774309. The cubic root of 40578268 is about 343.6353513861.

The spelling of 40578268 in words is "forty million, five hundred seventy-eight thousand, two hundred sixty-eight".