40636802 has 4 divisors (see below), whose sum is σ = 60955206. Its totient is φ = 20318400.

The previous prime is 40636793. The next prime is 40636861. The reversal of 40636802 is 20863604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36954241 + 3682561 = 6079^2 + 1919^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10159199 + ... + 10159202.

Almost surely, 2^40636802 is an apocalyptic number.

40636802 is a deficient number, since it is larger than the sum of its proper divisors (20318404).

40636802 is a wasteful number, since it uses less digits than its factorization.

40636802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20318403.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40636802 is about 6374.7001498110. The cubic root of 40636802 is about 343.8005029049.

The spelling of 40636802 in words is "forty million, six hundred thirty-six thousand, eight hundred two".