4396561488 has 240 divisors, whose sum is σ = 14546765376. Its totient is φ = 1224437760.

The previous prime is 4396561439. The next prime is 4396561493. The reversal of 4396561488 is 8841656934.

4396561488 is a `hidden beast` number, since 4 + 39 + 6 + 561 + 48 + 8 = 666.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1156006 + ... + 1159802.

Almost surely, 2^4396561488 is an apocalyptic number.

4396561488 is a gapful number since it is divisible by the number (48) 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 4396561488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7273382688).

4396561488 is an abundant number, since it is smaller than the sum of its proper divisors (10150203888).

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

4396561488 is a wasteful number, since it uses less digits than its factorization.

4396561488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882 (or 3873 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 4396561488 is about 66306.5719819687. The cubic root of 4396561488 is about 1638.2155745023.

It can be divided in two parts, 439656 and 1488, that added together give a palindrome (441144).

The spelling of 4396561488 in words is "four billion, three hundred ninety-six million, five hundred sixty-one thousand, four hundred eighty-eight".