5320400554320 has 80 divisors (see below), whose sum is σ = 17061974213760. Its totient is φ = 1369850255872.

The previous prime is 5320400554309. The next prime is 5320400554351. The reversal of 5320400554320 is 234550040235.

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, 382205724 + ... + 382219643.

It is an arithmetic number, because the mean of its divisors is an integer number (213274677672).

Almost surely, 2^{5320400554320} is an apocalyptic number.

It is an amenable number.

5320400554320 is an abundant number, since it is smaller than the sum of its proper divisors (11741573659440).

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

5320400554320 is a wasteful number, since it uses less digits than its factorization.

5320400554320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764425412 (or 764425406 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 5320400554320 its reverse (234550040235), we get a palindrome (5554950594555).

The spelling of 5320400554320 in words is "five trillion, three hundred twenty billion, four hundred million, five hundred fifty-four thousand, three hundred twenty".