203462425406 has 16 divisors (see below), whose sum is σ = 310545115920. Its totient is φ = 99955194240.

The previous prime is 203462425393. The next prime is 203462425483. The reversal of 203462425406 is 604524264302.

It is a super-2 number, since 2×203462425406² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203462425406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899515 + ... + 2003766.

It is an arithmetic number, because the mean of its divisors is an integer number (19409069745).

Almost surely, 2^203462425406 is an apocalyptic number.

203462425406 is a deficient number, since it is larger than the sum of its proper divisors (107082690514).

203462425406 is a wasteful number, since it uses less digits than its factorization.

203462425406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903739.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 203462425406 its reverse (604524264302), we get a palindrome (807986689708).

The spelling of 203462425406 in words is "two hundred three billion, four hundred sixty-two million, four hundred twenty-five thousand, four hundred six".