2150566540 has 48 divisors (see below), whose sum is σ = 4645049472. Its totient is φ = 835750656.

The previous prime is 2150566489. The next prime is 2150566549. The reversal of 2150566540 is 456650512.

It is a super-3 number, since 3×2150566540³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2150566496 and 2150566505.

It is not an unprimeable number, because it can be changed into a prime (2150566549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629517 + ... + 632923.

It is an arithmetic number, because the mean of its divisors is an integer number (96771864).

Almost surely, 2^2150566540 is an apocalyptic number.

2150566540 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 2150566540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2322524736).

2150566540 is an abundant number, since it is smaller than the sum of its proper divisors (2494482932).

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

2150566540 is a wasteful number, since it uses less digits than its factorization.

2150566540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2150566540 is about 46374.2012330132. The cubic root of 2150566540 is about 1290.7762369425.

The spelling of 2150566540 in words is "two billion, one hundred fifty million, five hundred sixty-six thousand, five hundred forty".