40047068 has 12 divisors (see below), whose sum is σ = 70259952. Its totient is φ = 19972800.

The previous prime is 40047031. The next prime is 40047083. The reversal of 40047068 is 86074004.

It is a self number, because there is not a number n which added to its sum of digits gives 40047068.

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, 10880 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (5854996).

Almost surely, 2^40047068 is an apocalyptic number.

It is an amenable number.

40047068 is a deficient number, since it is larger than the sum of its proper divisors (30212884).

40047068 is a wasteful number, since it uses less digits than its factorization.

40047068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25372 (or 25370 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 40047068 is about 6328.2752784625. The cubic root of 40047068 is about 342.1292786679.

The spelling of 40047068 in words is "forty million, forty-seven thousand, sixty-eight".