5311544340 has 96 divisors (see below), whose sum is σ = 15469977600. Its totient is φ = 1360195200.

The previous prime is 5311544299. The next prime is 5311544347. The reversal of 5311544340 is 434451135.

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 = 5311544298 and 5311544307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311544347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232761 + ... + 254559.

It is an arithmetic number, because the mean of its divisors is an integer number (161145600).

Almost surely, 2^5311544340 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 5311544340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7734988800).

5311544340 is an abundant number, since it is smaller than the sum of its proper divisors (10158433260).

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

5311544340 is a wasteful number, since it uses less digits than its factorization.

5311544340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21973 (or 21971 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 5311544340 is about 72880.3426171969. The cubic root of 5311544340 is about 1744.7783770669.

Adding to 5311544340 its reverse (434451135), we get a palindrome (5745995475).

The spelling of 5311544340 in words is "five billion, three hundred eleven million, five hundred forty-four thousand, three hundred forty".