40685710 has 16 divisors (see below), whose sum is σ = 78867936. Its totient is φ = 15022368.

The previous prime is 40685699. The next prime is 40685713. The reversal of 40685710 is 1758604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40685713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156354 + ... + 156613.

It is an arithmetic number, because the mean of its divisors is an integer number (4929246).

Almost surely, 2^40685710 is an apocalyptic number.

40685710 is a deficient number, since it is larger than the sum of its proper divisors (38182226).

40685710 is a wasteful number, since it uses less digits than its factorization.

40685710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312987.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 40685710 is about 6378.5350982808. The cubic root of 40685710 is about 343.9383734476.

The spelling of 40685710 in words is "forty million, six hundred eighty-five thousand, seven hundred ten".