1080555380 has 24 divisors (see below), whose sum is σ = 2317448448. Its totient is φ = 423025568.

The previous prime is 1080555353. The next prime is 1080555383. The reversal of 1080555380 is 835550801.

It is a self number, because there is not a number n which added to its sum of digits gives 1080555380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080555383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573824 + ... + 575703.

It is an arithmetic number, because the mean of its divisors is an integer number (96560352).

Almost surely, 2^1080555380 is an apocalyptic number.

1080555380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080555380 is an abundant number, since it is smaller than the sum of its proper divisors (1236893068).

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

1080555380 is a wasteful number, since it uses less digits than its factorization.

1080555380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149583 (or 1149581 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 1080555380 is about 32871.8022018873. The cubic root of 1080555380 is about 1026.1614057280.

The spelling of 1080555380 in words is "one billion, eighty million, five hundred fifty-five thousand, three hundred eighty".