10380557550 has 48 divisors (see below), whose sum is σ = 28084131072. Its totient is φ = 2516498400.

The previous prime is 10380557543. The next prime is 10380557609. The reversal of 10380557550 is 5575508301.

It is a junction number, because it is equal to n+sod(n) for n = 10380557499 and 10380557508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3143974 + ... + 3147273.

It is an arithmetic number, because the mean of its divisors is an integer number (585086064).

Almost surely, 2^10380557550 is an apocalyptic number.

10380557550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10380557550 is an abundant number, since it is smaller than the sum of its proper divisors (17703573522).

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

10380557550 is a wasteful number, since it uses less digits than its factorization.

10380557550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291273 (or 6291268 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 10380557550 in words is "ten billion, three hundred eighty million, five hundred fifty-seven thousand, five hundred fifty".