40609010 has 24 divisors (see below), whose sum is σ = 79154820. Its totient is φ = 14993472.

The previous prime is 40608991. The next prime is 40609013. The reversal of 40609010 is 1090604.

It can be written as a sum of positive squares in 6 ways, for example, as 16999129 + 23609881 = 4123^2 + 4859^2 .

It is not an unprimeable number, because it can be changed into a prime (40609013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10325 + ... + 13704.

Almost surely, 2^40609010 is an apocalyptic number.

40609010 is a deficient number, since it is larger than the sum of its proper divisors (38545810).

40609010 is a wasteful number, since it uses less digits than its factorization.

40609010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24062 (or 24049 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40609010 is about 6372.5199097374. The cubic root of 40609010 is about 343.7221085910.

Adding to 40609010 its reverse (1090604), we get a palindrome (41699614).

The spelling of 40609010 in words is "forty million, six hundred nine thousand, ten".