4390591706340 has 192 divisors, whose sum is σ = 14662141046784. Its totient is φ = 959840082432.

The previous prime is 4390591706339. The next prime is 4390591706393. The reversal of 4390591706340 is 436071950934.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 185817607 + ... + 185841233.

It is an arithmetic number, because the mean of its divisors is an integer number (76365317952).

Almost surely, 2^{4390591706340} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4390591706340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7331070523392).

4390591706340 is an abundant number, since it is smaller than the sum of its proper divisors (10271549340444).

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

4390591706340 is a wasteful number, since it uses less digits than its factorization.

4390591706340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42906 (or 42904 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 4390591706340 in words is "four trillion, three hundred ninety billion, five hundred ninety-one million, seven hundred six thousand, three hundred forty".