43400213100252 has 36 divisors (see below), whose sum is σ = 110102145132616. Its totient is φ = 14414511206880.

The previous prime is 43400213100227. The next prime is 43400213100269. The reversal of 43400213100252 is 25200131200434.

43400213100252 is a `hidden beast` number, since 4 + 3 + 400 + 2 + 1 + 3 + 1 + 0 + 0 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2176093774 + ... + 2176113717.

Almost surely, 2^{43400213100252} is an apocalyptic number.

It is an amenable number.

43400213100252 is an abundant number, since it is smaller than the sum of its proper divisors (66701932032364).

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

43400213100252 is a wasteful number, since it uses less digits than its factorization.

43400213100252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352207778 (or 4352207773 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 43400213100252 its reverse (25200131200434), we get a palindrome (68600344300686).

The spelling of 43400213100252 in words is "forty-three trillion, four hundred billion, two hundred thirteen million, one hundred thousand, two hundred fifty-two".