2150421200 has 60 divisors (see below), whose sum is σ = 5200747488. Its totient is φ = 854448000.

The previous prime is 2150421173. The next prime is 2150421211. The reversal of 2150421200 is 21240512.

It is a super-2 number, since 2×2150421200² = 9248622674818880000, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 42599 + ... + 78201.

Almost surely, 2^2150421200 is an apocalyptic number.

2150421200 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 2150421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600373744).

2150421200 is an abundant number, since it is smaller than the sum of its proper divisors (3050326288).

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

2150421200 is a wasteful number, since it uses less digits than its factorization.

2150421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35772 (or 35761 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2150421200 is about 46372.6341714594. The cubic root of 2150421200 is about 1290.7471584584.

Adding to 2150421200 its reverse (21240512), we get a palindrome (2171661712).

The spelling of 2150421200 in words is "two billion, one hundred fifty million, four hundred twenty-one thousand, two hundred".