40265826818 has 16 divisors (see below), whose sum is σ = 69043328640. Its totient is φ = 17252733696.

The previous prime is 40265826803. The next prime is 40265826827. The reversal of 40265826818 is 81862856204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275246 + ... + 395337.

It is an arithmetic number, because the mean of its divisors is an integer number (4315208040).

Almost surely, 2^40265826818 is an apocalyptic number.

40265826818 is a deficient number, since it is larger than the sum of its proper divisors (28777501822).

40265826818 is a wasteful number, since it uses less digits than its factorization.

40265826818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674881.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 40265826818 in words is "forty billion, two hundred sixty-five million, eight hundred twenty-six thousand, eight hundred eighteen".