2150021424 has 40 divisors (see below), whose sum is σ = 5637129280. Its totient is φ = 705976128.

The previous prime is 2150021417. The next prime is 2150021431. The reversal of 2150021424 is 4241200512.

It is an interprime number because it is at equal distance from previous prime (2150021417) and next prime (2150021431).

It is a self number, because there is not a number n which added to its sum of digits gives 2150021424.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 331054 + ... + 337485.

It is an arithmetic number, because the mean of its divisors is an integer number (140928232).

Almost surely, 2^2150021424 is an apocalyptic number.

2150021424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2150021424 is an abundant number, since it is smaller than the sum of its proper divisors (3487107856).

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

2150021424 is a wasteful number, since it uses less digits than its factorization.

2150021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668617 (or 668611 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2150021424 is about 46368.3234978363. The cubic root of 2150021424 is about 1290.6671676616.

Adding to 2150021424 its reverse (4241200512), we get a palindrome (6391221936).

It can be divided in two parts, 21500 and 21424, that added together give a palindrome (42924).

The spelling of 2150021424 in words is "two billion, one hundred fifty million, twenty-one thousand, four hundred twenty-four".