4091371346640 has 160 divisors (see below), whose sum is σ = 13049842006656. Its totient is φ = 1059732152320.

The previous prime is 4091371346611. The next prime is 4091371346683. The reversal of 4091371346640 is 466431731904.

4091371346640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4091371346640² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4091371346640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317844 + ... + 3149516.

Almost surely, 2^{4091371346640} is an apocalyptic number.

4091371346640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4091371346640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6524921003328).

4091371346640 is an abundant number, since it is smaller than the sum of its proper divisors (8958470660016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4091371346640 is a wasteful number, since it uses less digits than its factorization.

4091371346640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831957 (or 1831951 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 4091371346640 in words is "four trillion, ninety-one billion, three hundred seventy-one million, three hundred forty-six thousand, six hundred forty".