202430403904 has 56 divisors (see below), whose sum is σ = 412854688640. Its totient is φ = 98442279936.

The previous prime is 202430403887. The next prime is 202430403979. The reversal of 202430403904 is 409304034202.

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 7 ways as a sum of consecutive naturals, for example, 39964 + ... + 637540.

Almost surely, 2^202430403904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202430403904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206427344320).

202430403904 is an abundant number, since it is smaller than the sum of its proper divisors (210424284736).

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

202430403904 is an equidigital number, since it uses as much as digits as its factorization.

202430403904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597735 (or 597725 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 202430403904 in words is "two hundred two billion, four hundred thirty million, four hundred three thousand, nine hundred four".