40136856818006 has 8 divisors (see below), whose sum is σ = 64836461013744. Its totient is φ = 18524703146760.

The previous prime is 40136856817969. The next prime is 40136856818033. The reversal of 40136856818006 is 60081865863104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40136856818006² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771862631090 + ... + 771862631141.

It is an arithmetic number, because the mean of its divisors is an integer number (8104557626718).

Almost surely, 2^{40136856818006} is an apocalyptic number.

40136856818006 is a deficient number, since it is larger than the sum of its proper divisors (24699604195738).

40136856818006 is a wasteful number, since it uses less digits than its factorization.

40136856818006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543725262246.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 40136856818006 in words is "forty trillion, one hundred thirty-six billion, eight hundred fifty-six million, eight hundred eighteen thousand, six".