40803636 has 12 divisors (see below), whose sum is σ = 95208512. Its totient is φ = 13601208.

The previous prime is 40803617. The next prime is 40803647. The reversal of 40803636 is 63630804.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700140 + ... + 1700163.

Almost surely, 2^40803636 is an apocalyptic number.

It is an amenable number.

40803636 is an abundant number, since it is smaller than the sum of its proper divisors (54404876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40803636 is a wasteful number, since it uses less digits than its factorization.

40803636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400310 (or 3400308 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40803636 is about 6387.7723816680. The cubic root of 40803636 is about 344.2703503922.

The spelling of 40803636 in words is "forty million, eight hundred three thousand, six hundred thirty-six".