4400555536 has 40 divisors (see below), whose sum is σ = 9722049624. Its totient is φ = 1911552000.

The previous prime is 4400555507. The next prime is 4400555597. The reversal of 4400555536 is 6355550044.

It can be written as a sum of positive squares in 4 ways, for example, as 211877136 + 4188678400 = 14556^2 + 64720^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4400555495 and 4400555504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618715 + ... + 625786.

Almost surely, 2^4400555536 is an apocalyptic number.

It is an amenable number.

4400555536 is an abundant number, since it is smaller than the sum of its proper divisors (5321494088).

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

4400555536 is a wasteful number, since it uses less digits than its factorization.

4400555536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244539 (or 1244533 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 4400555536 is about 66336.6831850975. The cubic root of 4400555536 is about 1638.7115023084.

The spelling of 4400555536 in words is "four billion, four hundred million, five hundred fifty-five thousand, five hundred thirty-six".