1355743424 has 28 divisors (see below), whose sum is σ = 3074633424. Its totient is φ = 581032704.

The previous prime is 1355743409. The next prime is 1355743427. The reversal of 1355743424 is 4243475531.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (1355743427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512659 + ... + 1513554.

Almost surely, 2^1355743424 is an apocalyptic number.

1355743424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1355743424 is an abundant number, since it is smaller than the sum of its proper divisors (1718890000).

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

1355743424 is an equidigital number, since it uses as much as digits as its factorization.

1355743424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026232 (or 3026222 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

The square root of 1355743424 is about 36820.4212903655. The cubic root of 1355743424 is about 1106.7745621485.

The spelling of 1355743424 in words is "one billion, three hundred fifty-five million, seven hundred forty-three thousand, four hundred twenty-four".