2534400203420 has 48 divisors (see below), whose sum is σ = 5383070239680. Its totient is φ = 1002177808896.

The previous prime is 2534400203399. The next prime is 2534400203443. The reversal of 2534400203420 is 243020044352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9359249 + ... + 9626231.

It is an arithmetic number, because the mean of its divisors is an integer number (112147296660).

Almost surely, 2^{2534400203420} is an apocalyptic number.

2534400203420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2534400203420 is an abundant number, since it is smaller than the sum of its proper divisors (2848670036260).

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

2534400203420 is a wasteful number, since it uses less digits than its factorization.

2534400203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272414 (or 272412 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 2534400203420 its reverse (243020044352), we get a palindrome (2777420247772).

The spelling of 2534400203420 in words is "two trillion, five hundred thirty-four billion, four hundred million, two hundred three thousand, four hundred twenty".