1355350355440 has 20 divisors (see below), whose sum is σ = 3151189576584. Its totient is φ = 542140142144.

The previous prime is 1355350355423. The next prime is 1355350355533. The reversal of 1355350355440 is 445530535531.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8470939642 + ... + 8470939801.

Almost surely, 2^{1355350355440} is an apocalyptic number.

1355350355440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355350355440 is an abundant number, since it is smaller than the sum of its proper divisors (1795839221144).

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

1355350355440 is a wasteful number, since it uses less digits than its factorization.

1355350355440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16941879456 (or 16941879450 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 1355350355440 in words is "one trillion, three hundred fifty-five billion, three hundred fifty million, three hundred fifty-five thousand, four hundred forty".