40365820202 has 4 divisors (see below), whose sum is σ = 60548730306. Its totient is φ = 20182910100.

The previous prime is 40365820199. The next prime is 40365820279. The reversal of 40365820202 is 20202856304.

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., 39417734521 + 948085681 = 198539^2 + 30791^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10091455049 + ... + 10091455052.

Almost surely, 2^40365820202 is an apocalyptic number.

40365820202 is a deficient number, since it is larger than the sum of its proper divisors (20182910104).

40365820202 is a wasteful number, since it uses less digits than its factorization.

40365820202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182910103.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 40365820202 in words is "forty billion, three hundred sixty-five million, eight hundred twenty thousand, two hundred two".