5402320434720 has 1728 divisors, whose sum is σ = 21629409564672. Its totient is φ = 1225108684800.

The previous prime is 5402320434701. The next prime is 5402320434757. The reversal of 5402320434720 is 274340232045.

5402320434720 is a `hidden beast` number, since 5 + 402 + 3 + 204 + 3 + 47 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 32349224077 + ... + 32349224243.

It is an arithmetic number, because the mean of its divisors is an integer number (12517019424).

Almost surely, 2^{5402320434720} 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 5402320434720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10814704782336).

5402320434720 is an abundant number, since it is smaller than the sum of its proper divisors (16227089129952).

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

5402320434720 is a wasteful number, since it uses less digits than its factorization.

5402320434720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

Adding to 5402320434720 its reverse (274340232045), we get a palindrome (5676660666765).

The spelling of 5402320434720 in words is "five trillion, four hundred two billion, three hundred twenty million, four hundred thirty-four thousand, seven hundred twenty".