1355648420 has 24 divisors (see below), whose sum is σ = 3253556544. Its totient is φ = 464793696.

The previous prime is 1355648407. The next prime is 1355648449. The reversal of 1355648420 is 248465531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841462 + ... + 4841741.

It is an arithmetic number, because the mean of its divisors is an integer number (135564856).

Almost surely, 2^1355648420 is an apocalyptic number.

1355648420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355648420 is an abundant number, since it is smaller than the sum of its proper divisors (1897908124).

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

1355648420 is a wasteful number, since it uses less digits than its factorization.

1355648420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683219 (or 9683217 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 1355648420 is about 36819.1311684564. The cubic root of 1355648420 is about 1106.7487090594.

The spelling of 1355648420 in words is "one billion, three hundred fifty-five million, six hundred forty-eight thousand, four hundred twenty".