40502085202 has 4 divisors (see below), whose sum is σ = 60753127806. Its totient is φ = 20251042600.

The previous prime is 40502085133. The next prime is 40502085209. The reversal of 40502085202 is 20258020504.

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., 34343131761 + 6158953441 = 185319^2 + 78479^2 .

It is not an unprimeable number, because it can be changed into a prime (40502085209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10125521299 + ... + 10125521302.

Almost surely, 2^40502085202 is an apocalyptic number.

40502085202 is a deficient number, since it is larger than the sum of its proper divisors (20251042604).

40502085202 is a wasteful number, since it uses less digits than its factorization.

40502085202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251042603.

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 40502085202 in words is "forty billion, five hundred two million, eighty-five thousand, two hundred two".