1356403425320 has 64 divisors (see below), whose sum is σ = 3096552427920. Its totient is φ = 534638168064.

The previous prime is 1356403425319. The next prime is 1356403425323. The reversal of 1356403425320 is 235243046531.

It can be written as a sum of positive squares in 8 ways, for example, as 712535197924 + 643868227396 = 844118^2 + 802414^2 .

It is not an unprimeable number, because it can be changed into a prime (1356403425323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2979062 + ... + 3404058.

Almost surely, 2^{1356403425320} is an apocalyptic number.

1356403425320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356403425320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548276213960).

1356403425320 is an abundant number, since it is smaller than the sum of its proper divisors (1740149002600).

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

1356403425320 is a wasteful number, since it uses less digits than its factorization.

1356403425320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426174 (or 426170 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 1356403425320 in words is "one trillion, three hundred fifty-six billion, four hundred three million, four hundred twenty-five thousand, three hundred twenty".