4256315550 has 72 divisors (see below), whose sum is σ = 11542303656. Its totient is φ = 1124397120.

The previous prime is 4256315527. The next prime is 4256315561. The reversal of 4256315550 is 555136524.

4256315550 is a `hidden beast` number, since 42 + 5 + 63 + 1 + 5 + 550 = 666.

It is a super-2 number, since 2×4256315550² = 36232444122343605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3952 + ... + 92348.

It is an arithmetic number, because the mean of its divisors is an integer number (160309773).

Almost surely, 2^4256315550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4256315550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5771151828).

4256315550 is an abundant number, since it is smaller than the sum of its proper divisors (7285988106).

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

4256315550 is a wasteful number, since it uses less digits than its factorization.

4256315550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88522 (or 88514 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 4256315550 is about 65240.4441278568. Note that the first 3 decimals coincide. The cubic root of 4256315550 is about 1620.6078537409.

The spelling of 4256315550 in words is "four billion, two hundred fifty-six million, three hundred fifteen thousand, five hundred fifty".