40086650 has 12 divisors (see below), whose sum is σ = 74561262. Its totient is φ = 16034640.

The previous prime is 40086623. The next prime is 40086659. The reversal of 40086650 is 5668004.

It can be written as a sum of positive squares in 3 ways, for example, as 24078649 + 16008001 = 4907^2 + 4001^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40086659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400817 + ... + 400916.

Almost surely, 2^40086650 is an apocalyptic number.

40086650 is a deficient number, since it is larger than the sum of its proper divisors (34474612).

40086650 is a wasteful number, since it uses less digits than its factorization.

40086650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801745 (or 801740 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40086650 is about 6331.4018984740. The cubic root of 40086650 is about 342.2419602582.

The spelling of 40086650 in words is "forty million, eighty-six thousand, six hundred fifty".