1368528420 has 96 divisors (see below), whose sum is σ = 4386670848. Its totient is φ = 312279552.

The previous prime is 1368528401. The next prime is 1368528433. The reversal of 1368528420 is 248258631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281934 + ... + 286746.

It is an arithmetic number, because the mean of its divisors is an integer number (45694488).

Almost surely, 2^1368528420 is an apocalyptic number.

1368528420 is a gapful number since it is divisible by the number (10) 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 1368528420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193335424).

1368528420 is an abundant number, since it is smaller than the sum of its proper divisors (3018142428).

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

1368528420 is a wasteful number, since it uses less digits than its factorization.

1368528420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1368528420 is about 36993.6267484009. The cubic root of 1368528420 is about 1110.2427356492.

The spelling of 1368528420 in words is "one billion, three hundred sixty-eight million, five hundred twenty-eight thousand, four hundred twenty".