202400211400 has 48 divisors (see below), whose sum is σ = 471222825300. Its totient is φ = 80849575680.

The previous prime is 202400211383. The next prime is 202400211407. The reversal of 202400211400 is 4112004202.

It can be written as a sum of positive squares in 6 ways, for example, as 192972189796 + 9428021604 = 439286^2 + 97098^2 .

It is not an unprimeable number, because it can be changed into a prime (202400211407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543715 + ... + 836914.

Almost surely, 2^202400211400 is an apocalyptic number.

202400211400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202400211400 is an abundant number, since it is smaller than the sum of its proper divisors (268822613900).

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

202400211400 is a wasteful number, since it uses less digits than its factorization.

202400211400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381378 (or 1381369 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202400211400 its reverse (4112004202), we get a palindrome (206512215602).

The spelling of 202400211400 in words is "two hundred two billion, four hundred million, two hundred eleven thousand, four hundred".