5436521680380 has 192 divisors, whose sum is σ = 18314141368320. Its totient is φ = 1177125868800.

The previous prime is 5436521680339. The next prime is 5436521680409. The reversal of 5436521680380 is 830861256345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116412835 + ... + 116459525.

It is an arithmetic number, because the mean of its divisors is an integer number (95386152960).

Almost surely, 2^{5436521680380} 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 5436521680380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9157070684160).

5436521680380 is an abundant number, since it is smaller than the sum of its proper divisors (12877619687940).

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

5436521680380 is a wasteful number, since it uses less digits than its factorization.

5436521680380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61320 (or 61318 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 5436521680380 in words is "five trillion, four hundred thirty-six billion, five hundred twenty-one million, six hundred eighty thousand, three hundred eighty".