1353420444636 has 72 divisors (see below), whose sum is σ = 3684859576944. Its totient is φ = 416375078400.

The previous prime is 1353420444511. The next prime is 1353420444641. The reversal of 1353420444636 is 6364440243531.

It is a happy number.

1353420444636 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 4 + 2 + 0 + 4 + 4 + 4 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1353420444591 and 1353420444600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2983236 + ... + 3406836.

Almost surely, 2^{1353420444636} is an apocalyptic number.

It is an amenable number.

1353420444636 is an abundant number, since it is smaller than the sum of its proper divisors (2331439132308).

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

1353420444636 is a wasteful number, since it uses less digits than its factorization.

1353420444636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430451 (or 430446 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 1353420444636 in words is "one trillion, three hundred fifty-three billion, four hundred twenty million, four hundred forty-four thousand, six hundred thirty-six".