5311624320 has 384 divisors, whose sum is σ = 19155502080. Its totient is φ = 1354752000.

The previous prime is 5311624309. The next prime is 5311624327. The reversal of 5311624320 is 234261135.

5311624320 is a `hidden beast` number, since 5 + 3 + 1 + 1 + 624 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311624327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26962462 + ... + 26962658.

It is an arithmetic number, because the mean of its divisors is an integer number (49884120).

Almost surely, 2^5311624320 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 5311624320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9577751040).

5311624320 is an abundant number, since it is smaller than the sum of its proper divisors (13843877760).

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

5311624320 is a wasteful number, since it uses less digits than its factorization.

5311624320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5311624320 is about 72880.8913227603. The cubic root of 5311624320 is about 1744.7871345121.

Adding to 5311624320 its reverse (234261135), we get a palindrome (5545885455).

The spelling of 5311624320 in words is "five billion, three hundred eleven million, six hundred twenty-four thousand, three hundred twenty".