1355646313044 has 36 divisors (see below), whose sum is σ = 3448599216244. Its totient is φ = 449003872512.

The previous prime is 1355646313033. The next prime is 1355646313067. The reversal of 1355646313044 is 4403136465531.

1355646313044 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 6 + 4 + 631 + 3 + 0 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 136803816900 + 1218842496144 = 369870^2 + 1104012^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119920597 + ... + 119931900.

Almost surely, 2^{1355646313044} is an apocalyptic number.

It is an amenable number.

1355646313044 is an abundant number, since it is smaller than the sum of its proper divisors (2092952903200).

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

1355646313044 is a wasteful number, since it uses less digits than its factorization.

1355646313044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239852664 (or 239852659 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 1355646313044 in words is "one trillion, three hundred fifty-five billion, six hundred forty-six million, three hundred thirteen thousand, forty-four".