40108621157871 has 32 divisors (see below), whose sum is σ = 63669741811200. Its totient is φ = 21981220331520.

The previous prime is 40108621157867. The next prime is 40108621157909. The reversal of 40108621157871 is 17875112680104.

It is not a de Polignac number, because 40108621157871 - 2² = 40108621157867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40108621157861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394726866 + ... + 394828463.

It is an arithmetic number, because the mean of its divisors is an integer number (1989679431600).

Almost surely, 2^{40108621157871} is an apocalyptic number.

40108621157871 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40108621157871 is a deficient number, since it is larger than the sum of its proper divisors (23561120653329).

40108621157871 is a wasteful number, since it uses less digits than its factorization.

40108621157871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789555439.

The product of its (nonzero) digits is 752640, while the sum is 51.

The spelling of 40108621157871 in words is "forty trillion, one hundred eight billion, six hundred twenty-one million, one hundred fifty-seven thousand, eight hundred seventy-one".