2400213252 has 24 divisors (see below), whose sum is σ = 5637591232. Its totient is φ = 794772000.

The previous prime is 2400213241. The next prime is 2400213253. The reversal of 2400213252 is 2523120042.

It is a super-2 number, since 2×2400213252² = 11522047310152831008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2400213253) 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 7 ways as a sum of consecutive naturals, for example, 660499 + ... + 664122.

Almost surely, 2^2400213252 is an apocalyptic number.

It is an amenable number.

2400213252 is an abundant number, since it is smaller than the sum of its proper divisors (3237377980).

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

2400213252 is a wasteful number, since it uses less digits than its factorization.

2400213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324779 (or 1324777 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2400213252 is about 48991.9713014286. The cubic root of 2400213252 is about 1338.9055539664.

Adding to 2400213252 its reverse (2523120042), we get a palindrome (4923333294).

The spelling of 2400213252 in words is "two billion, four hundred million, two hundred thirteen thousand, two hundred fifty-two".