40768684 has 12 divisors (see below), whose sum is σ = 77831208. Its totient is φ = 18531200.

The previous prime is 40768667. The next prime is 40768729. The reversal of 40768684 is 48686704.

It is a self number, because there is not a number n which added to its sum of digits gives 40768684.

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, 463237 + ... + 463324.

It is an arithmetic number, because the mean of its divisors is an integer number (6485934).

Almost surely, 2^40768684 is an apocalyptic number.

40768684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40768684 is a deficient number, since it is larger than the sum of its proper divisors (37062524).

40768684 is a wasteful number, since it uses less digits than its factorization.

40768684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926576 (or 926574 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 40768684 is about 6385.0359435167. The cubic root of 40768684 is about 344.1720227604.

The spelling of 40768684 in words is "forty million, seven hundred sixty-eight thousand, six hundred eighty-four".