4649045856 has 384 divisors, whose sum is σ = 16259281920. Its totient is φ = 1128701952.

The previous prime is 4649045839. The next prime is 4649045861. The reversal of 4649045856 is 6585409464.

It is a super-2 number, since 2×4649045856² = 43227254742381545472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4649045799 and 4649045808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6141030 + ... + 6141786.

It is an arithmetic number, because the mean of its divisors is an integer number (42341880).

Almost surely, 2^4649045856 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 4649045856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8129640960).

4649045856 is an abundant number, since it is smaller than the sum of its proper divisors (11610236064).

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

4649045856 is a wasteful number, since it uses less digits than its factorization.

4649045856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The square root of 4649045856 is about 68183.9120027591. The cubic root of 4649045856 is about 1668.9933642068.

The spelling of 4649045856 in words is "four billion, six hundred forty-nine million, forty-five thousand, eight hundred fifty-six".