5401242320 has 80 divisors (see below), whose sum is σ = 12802752000. Its totient is φ = 2118557184.

The previous prime is 5401242307. The next prime is 5401242389. The reversal of 5401242320 is 232421045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2259686 + ... + 2262074.

It is an arithmetic number, because the mean of its divisors is an integer number (160034400).

Almost surely, 2^5401242320 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 5401242320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6401376000).

5401242320 is an abundant number, since it is smaller than the sum of its proper divisors (7401509680).

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

5401242320 is a wasteful number, since it uses less digits than its factorization.

5401242320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5401242320 is about 73493.1447143201. The cubic root of 5401242320 is about 1754.5451720827.

Adding to 5401242320 its reverse (232421045), we get a palindrome (5633663365).

The spelling of 5401242320 in words is "five billion, four hundred one million, two hundred forty-two thousand, three hundred twenty".