2152364280 has 128 divisors (see below), whose sum is σ = 7149530880. Its totient is φ = 513976320.

The previous prime is 2152364231. The next prime is 2152364297. The reversal of 2152364280 is 824632512.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76272 + ... + 100608.

It is an arithmetic number, because the mean of its divisors is an integer number (55855710).

Almost surely, 2^2152364280 is an apocalyptic number.

2152364280 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 2152364280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3574765440).

2152364280 is an abundant number, since it is smaller than the sum of its proper divisors (4997166600).

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

2152364280 is a wasteful number, since it uses less digits than its factorization.

2152364280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24429 (or 24425 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2152364280 is about 46393.5801593281. The cubic root of 2152364280 is about 1291.1358063453.

Adding to 2152364280 its reverse (824632512), we get a palindrome (2976996792).

The spelling of 2152364280 in words is "two billion, one hundred fifty-two million, three hundred sixty-four thousand, two hundred eighty".