1355503424 has 28 divisors (see below), whose sum is σ = 2934358368. Its totient is φ = 616137600.

The previous prime is 1355503423. The next prime is 1355503463. The reversal of 1355503424 is 4243055531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355503421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962012 + ... + 963419.

Almost surely, 2^1355503424 is an apocalyptic number.

It is an amenable number.

1355503424 is an abundant number, since it is smaller than the sum of its proper divisors (1578854944).

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

1355503424 is a wasteful number, since it uses less digits than its factorization.

1355503424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925454 (or 1925444 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1355503424 is about 36817.1620850929. The cubic root of 1355503424 is about 1106.7092495026.

Adding to 1355503424 its reverse (4243055531), we get a palindrome (5598558955).

The spelling of 1355503424 in words is "one billion, three hundred fifty-five million, five hundred three thousand, four hundred twenty-four".