40685476 has 24 divisors (see below), whose sum is σ = 76850424. Its totient is φ = 18735360.

The previous prime is 40685473. The next prime is 40685497. The reversal of 40685476 is 67458604.

It can be written as a sum of positive squares in 4 ways, for example, as 57600 + 40627876 = 240^2 + 6374^2 .

It is not an unprimeable number, because it can be changed into a prime (40685473) 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, 42216 + ... + 43168.

It is an arithmetic number, because the mean of its divisors is an integer number (3202101).

Almost surely, 2^40685476 is an apocalyptic number.

It is an amenable number.

40685476 is a deficient number, since it is larger than the sum of its proper divisors (36164948).

40685476 is a wasteful number, since it uses less digits than its factorization.

40685476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 40685476 is about 6378.5167554848. The cubic root of 40685476 is about 343.9377140700.

The spelling of 40685476 in words is "forty million, six hundred eighty-five thousand, four hundred seventy-six".