40202686156822 has 32 divisors (see below), whose sum is σ = 68934685284864. Its totient is φ = 17225774505600.

The previous prime is 40202686156817. The next prime is 40202686156837. The reversal of 40202686156822 is 22865168620204.

It is a self number, because there is not a number n which added to its sum of digits gives 40202686156822.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 1937188398 + ... + 1937209150.

It is an arithmetic number, because the mean of its divisors is an integer number (2154208915152).

Almost surely, 2^{40202686156822} is an apocalyptic number.

40202686156822 is a deficient number, since it is larger than the sum of its proper divisors (28731999128042).

40202686156822 is a wasteful number, since it uses less digits than its factorization.

40202686156822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45804.

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 40202686156822 in words is "forty trillion, two hundred two billion, six hundred eighty-six million, one hundred fifty-six thousand, eight hundred twenty-two".