3556234440 has 384 divisors, whose sum is σ = 13262745600. Its totient is φ = 818496000.

The previous prime is 3556234433. The next prime is 3556234441. The reversal of 3556234440 is 444326553.

3556234440 is a `hidden beast` number, since 3 + 556 + 23 + 44 + 40 = 666.

It is a super-3 number, since 3×3556234440³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3556234395 and 3556234404.

It is not an unprimeable number, because it can be changed into a prime (3556234441) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 7242595 + ... + 7243085.

It is an arithmetic number, because the mean of its divisors is an integer number (34538400).

Almost surely, 2^3556234440 is an apocalyptic number.

3556234440 is a gapful number since it is divisible by the number (30) 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 3556234440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6631372800).

3556234440 is an abundant number, since it is smaller than the sum of its proper divisors (9706511160).

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

3556234440 is a wasteful number, since it uses less digits than its factorization.

3556234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 3556234440 is about 59634.1717474134. The cubic root of 3556234440 is about 1526.3827916424.

It can be divided in two parts, 355623 and 4440, that added together give a palindrome (360063).

The spelling of 3556234440 in words is "three billion, five hundred fifty-six million, two hundred thirty-four thousand, four hundred forty".