202403025424434 has 16 divisors (see below), whose sum is σ = 405280618327872. Its totient is φ = 67388580561648.

The previous prime is 202403025424429. The next prime is 202403025424469. The reversal of 202403025424434 is 434424520304202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202403025424392 and 202403025424401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19773639414 + ... + 19773649649.

It is an arithmetic number, because the mean of its divisors is an integer number (25330038645492).

Almost surely, 2^{202403025424434} is an apocalyptic number.

202403025424434 is an abundant number, since it is smaller than the sum of its proper divisors (202877592903438).

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

202403025424434 is a wasteful number, since it uses less digits than its factorization.

202403025424434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39547289921.

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 202403025424434 its reverse (434424520304202), we get a palindrome (636827545728636).

The spelling of 202403025424434 in words is "two hundred two trillion, four hundred three billion, twenty-five million, four hundred twenty-four thousand, four hundred thirty-four".