4255386215784 has 64 divisors (see below), whose sum is σ = 11607082280640. Its totient is φ = 1289346140160.

The previous prime is 4255386215783. The next prime is 4255386215789. The reversal of 4255386215784 is 4875126835524.

It is a happy number.

4255386215784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4255386215783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046904 + ... + 3099480.

It is an arithmetic number, because the mean of its divisors is an integer number (181360660635).

Almost surely, 2^{4255386215784} is an apocalyptic number.

4255386215784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4255386215784 is an abundant number, since it is smaller than the sum of its proper divisors (7351696064856).

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

4255386215784 is a wasteful number, since it uses less digits than its factorization.

4255386215784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060450 (or 2060446 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 60.

The spelling of 4255386215784 in words is "four trillion, two hundred fifty-five billion, three hundred eighty-six million, two hundred fifteen thousand, seven hundred eighty-four".