4321553340 has 192 divisors, whose sum is σ = 14135990400. Its totient is φ = 976650240.

The previous prime is 4321553339. The next prime is 4321553351. The reversal of 4321553340 is 433551234.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4321553298 and 4321553307.

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, 539686 + ... + 547634.

It is an arithmetic number, because the mean of its divisors is an integer number (73624950).

Almost surely, 2^4321553340 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 4321553340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7067995200).

4321553340 is an abundant number, since it is smaller than the sum of its proper divisors (9814437060).

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

4321553340 is a wasteful number, since it uses less digits than its factorization.

4321553340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032 (or 8030 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 4321553340 is about 65738.5224963263. The cubic root of 4321553340 is about 1628.8457508920.

The spelling of 4321553340 in words is "four billion, three hundred twenty-one million, five hundred fifty-three thousand, three hundred forty".