1355773248 has 112 divisors (see below), whose sum is σ = 3994830720. Its totient is φ = 450892800.

The previous prime is 1355773247. The next prime is 1355773267. The reversal of 1355773248 is 8423775531.

1355773248 is a `hidden beast` number, since 1 + 3 + 5 + 577 + 32 + 48 = 666.

1355773248 is nontrivially palindromic in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355773247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314493 + ... + 1315523.

Almost surely, 2^1355773248 is an apocalyptic number.

1355773248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355773248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997415360).

1355773248 is an abundant number, since it is smaller than the sum of its proper divisors (2639057472).

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

1355773248 is a wasteful number, since it uses less digits than its factorization.

1355773248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1797 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 1355773248 is about 36820.8262807884. The cubic root of 1355773248 is about 1106.7826777948.

The spelling of 1355773248 in words is "one billion, three hundred fifty-five million, seven hundred seventy-three thousand, two hundred forty-eight".