1355305390320 has 240 divisors, whose sum is σ = 5045056524288. Its totient is φ = 299790973440.

The previous prime is 1355305390261. The next prime is 1355305390339. The reversal of 1355305390320 is 230935035531.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1494264 + ... + 2223383.

Almost surely, 2^{1355305390320} is an apocalyptic number.

1355305390320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355305390320 is an abundant number, since it is smaller than the sum of its proper divisors (3689751133968).

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

1355305390320 is a wasteful number, since it uses less digits than its factorization.

1355305390320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717708 (or 3717695 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 39.

The spelling of 1355305390320 in words is "one trillion, three hundred fifty-five billion, three hundred five million, three hundred ninety thousand, three hundred twenty".