1080768420 has 60 divisors (see below), whose sum is σ = 3390415644. Its totient is φ = 288204480.

The previous prime is 1080768397. The next prime is 1080768439. The reversal of 1080768420 is 248670801.

1080768420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 804743424 + 276024996 = 28368^2 + 16614^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 331951 + ... + 335190.

Almost surely, 2^1080768420 is an apocalyptic number.

1080768420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080768420 is an abundant number, since it is smaller than the sum of its proper divisors (2309647224).

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

1080768420 is a wasteful number, since it uses less digits than its factorization.

1080768420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667162 (or 667151 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1080768420 is about 32875.0425094782. The cubic root of 1080768420 is about 1026.2288398964.

The spelling of 1080768420 in words is "one billion, eighty million, seven hundred sixty-eight thousand, four hundred twenty".