4845256440 has 128 divisors (see below), whose sum is σ = 14829696000. Its totient is φ = 1266190848.

The previous prime is 4845256439. The next prime is 4845256457. The reversal of 4845256440 is 446525484.

It is a super-3 number, since 3×4845256440³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4845256392 and 4845256401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1315882 + ... + 1319558.

It is an arithmetic number, because the mean of its divisors is an integer number (115857000).

Almost surely, 2^4845256440 is an apocalyptic number.

4845256440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4845256440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7414848000).

4845256440 is an abundant number, since it is smaller than the sum of its proper divisors (9984439560).

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

4845256440 is a wasteful number, since it uses less digits than its factorization.

4845256440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909 (or 3905 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

The square root of 4845256440 is about 69607.8762784787. The cubic root of 4845256440 is about 1692.1502501697.

The spelling of 4845256440 in words is "four billion, eight hundred forty-five million, two hundred fifty-six thousand, four hundred forty".