4000390522055 has 8 divisors (see below), whose sum is σ = 4800526247232. Its totient is φ = 3200274003808.

The previous prime is 4000390522021. The next prime is 4000390522067. The reversal of 4000390522055 is 5502250930004.

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

It is a cyclic number.

It is not a de Polignac number, because 4000390522055 - 2⁶ = 4000390521991 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4339472 + ... + 5179941.

It is an arithmetic number, because the mean of its divisors is an integer number (600065780904).

Almost surely, 2^{4000390522055} is an apocalyptic number.

4000390522055 is a deficient number, since it is larger than the sum of its proper divisors (800135725177).

4000390522055 is an equidigital number, since it uses as much as digits as its factorization.

4000390522055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9603465.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 4000390522055 in words is "four trillion, three hundred ninety million, five hundred twenty-two thousand, fifty-five".