4091686452144 has 40 divisors (see below), whose sum is σ = 11744655558320. Its totient is φ = 1363895483904.

The previous prime is 4091686452121. The next prime is 4091686452233. The reversal of 4091686452144 is 4412546861904.

4091686452144 is a `hidden beast` number, since 4 + 0 + 9 + 16 + 8 + 64 + 521 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735747777 + ... + 4735748640.

It is an arithmetic number, because the mean of its divisors is an integer number (293616388958).

Almost surely, 2^{4091686452144} is an apocalyptic number.

It is an amenable number.

4091686452144 is an abundant number, since it is smaller than the sum of its proper divisors (7652969106176).

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

4091686452144 is a wasteful number, since it uses less digits than its factorization.

4091686452144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471496434 (or 9471496422 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 4091686452144 in words is "four trillion, ninety-one billion, six hundred eighty-six million, four hundred fifty-two thousand, one hundred forty-four".