4321156464 has 160 divisors (see below), whose sum is σ = 13361049600. Its totient is φ = 1333221120.

The previous prime is 4321156447. The next prime is 4321156493. The reversal of 4321156464 is 4646511234.

4321156464 is a `hidden beast` number, since 4 + 3 + 2 + 1 + 1 + 5 + 646 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301002 + ... + 315030.

It is an arithmetic number, because the mean of its divisors is an integer number (83506560).

Almost surely, 2^4321156464 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 4321156464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6680524800).

4321156464 is an abundant number, since it is smaller than the sum of its proper divisors (9039893136).

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

4321156464 is a wasteful number, since it uses less digits than its factorization.

4321156464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14100 (or 14088 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4321156464 is about 65735.5038316434. The cubic root of 4321156464 is about 1628.7958869098.

Adding to 4321156464 its reverse (4646511234), we get a palindrome (8967667698).

The spelling of 4321156464 in words is "four billion, three hundred twenty-one million, one hundred fifty-six thousand, four hundred sixty-four".