40608801386 has 4 divisors (see below), whose sum is σ = 60913202082. Its totient is φ = 20304400692.

The previous prime is 40608801319. The next prime is 40608801421. The reversal of 40608801386 is 68310880604.

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., 34528700761 + 6080100625 = 185819^2 + 77975^2 .

It is an unprimeable number.

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, 10152200345 + ... + 10152200348.

Almost surely, 2^40608801386 is an apocalyptic number.

40608801386 is a deficient number, since it is larger than the sum of its proper divisors (20304400696).

40608801386 is a wasteful number, since it uses less digits than its factorization.

40608801386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20304400695.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 40608801386 in words is "forty billion, six hundred eight million, eight hundred one thousand, three hundred eighty-six".