40259650 has 24 divisors (see below), whose sum is σ = 75128004. Its totient is φ = 16051200.

The previous prime is 40259641. The next prime is 40259657. The reversal of 40259650 is 5695204.

It can be written as a sum of positive squares in 6 ways, for example, as 14645929 + 25613721 = 3827^2 + 5061^2 .

It is a hoax number, since the sum of its digits (31) 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 (40259657) 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, 16510 + ... + 18790.

Almost surely, 2^40259650 is an apocalyptic number.

40259650 is a deficient number, since it is larger than the sum of its proper divisors (34868354).

40259650 is a wasteful number, since it uses less digits than its factorization.

40259650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 40259650 is about 6345.0492511879. The cubic root of 40259650 is about 342.7335860177.

The spelling of 40259650 in words is "forty million, two hundred fifty-nine thousand, six hundred fifty".