1355853444 has 24 divisors (see below), whose sum is σ = 3451263648. Its totient is φ = 410864640.

The previous prime is 1355853431. The next prime is 1355853449. The reversal of 1355853444 is 4443585531.

It is a super-2 number, since 2×1355853444² = 3676677123213322272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355853396 and 1355853405.

It is not an unprimeable number, because it can be changed into a prime (1355853449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135677 + ... + 5135940.

It is an arithmetic number, because the mean of its divisors is an integer number (143802652).

Almost surely, 2^1355853444 is an apocalyptic number.

It is an amenable number.

1355853444 is an abundant number, since it is smaller than the sum of its proper divisors (2095410204).

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

1355853444 is a wasteful number, since it uses less digits than its factorization.

1355853444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271635 (or 10271633 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The square root of 1355853444 is about 36821.9152679488. The cubic root of 1355853444 is about 1106.8044999773.

The spelling of 1355853444 in words is "one billion, three hundred fifty-five million, eight hundred fifty-three thousand, four hundred forty-four".