40770686 has 16 divisors (see below), whose sum is σ = 67039488. Its totient is φ = 18442200.

The previous prime is 40770661. The next prime is 40770703. The reversal of 40770686 is 68607704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 9033.

It is an arithmetic number, because the mean of its divisors is an integer number (4189968).

Almost surely, 2^40770686 is an apocalyptic number.

40770686 is a deficient number, since it is larger than the sum of its proper divisors (26268802).

40770686 is a wasteful number, since it uses less digits than its factorization.

40770686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 40770686 is about 6385.1927143979. The cubic root of 40770686 is about 344.1776563419.

The spelling of 40770686 in words is "forty million, seven hundred seventy thousand, six hundred eighty-six".