2150540500 has 48 divisors (see below), whose sum is σ = 4725774144. Its totient is φ = 854906400.

The previous prime is 2150540471. The next prime is 2150540519. The reversal of 2150540500 is 50450512.

2150540500 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68307 + ... + 94693.

It is an arithmetic number, because the mean of its divisors is an integer number (98453628).

Almost surely, 2^2150540500 is an apocalyptic number.

2150540500 is a gapful number since it is divisible by the number (20) 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 2150540500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362887072).

2150540500 is an abundant number, since it is smaller than the sum of its proper divisors (2575233644).

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

2150540500 is a wasteful number, since it uses less digits than its factorization.

2150540500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26569 (or 26557 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2150540500 is about 46373.9204726105. The cubic root of 2150540500 is about 1290.7710271604.

The spelling of 2150540500 in words is "two billion, one hundred fifty million, five hundred forty thousand, five hundred".