13858905500 has 48 divisors (see below), whose sum is σ = 33019485408. Its totient is φ = 5039600000.

The previous prime is 13858905491. The next prime is 13858905527. The reversal of 13858905500 is 550985831.

13858905500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1254401 + ... + 1265400.

It is an arithmetic number, because the mean of its divisors is an integer number (687905946).

Almost surely, 2^13858905500 is an apocalyptic number.

13858905500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13858905500 is an abundant number, since it is smaller than the sum of its proper divisors (19160579908).

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

13858905500 is a wasteful number, since it uses less digits than its factorization.

13858905500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519831 (or 2519819 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 44.

The spelling of 13858905500 in words is "thirteen billion, eight hundred fifty-eight million, nine hundred five thousand, five hundred".