203442419824 has 160 divisors (see below), whose sum is σ = 482237706240. Its totient is φ = 81265766400.

The previous prime is 203442419821. The next prime is 203442419827. The reversal of 203442419824 is 428914244302.

It is an interprime number because it is at equal distance from previous prime (203442419821) and next prime (203442419827).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203442419821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44602504 + ... + 44607064.

It is an arithmetic number, because the mean of its divisors is an integer number (3013985664).

Almost surely, 2^203442419824 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 203442419824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241118853120).

203442419824 is an abundant number, since it is smaller than the sum of its proper divisors (278795286416).

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

203442419824 is a wasteful number, since it uses less digits than its factorization.

203442419824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079 (or 5073 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 203442419824 in words is "two hundred three billion, four hundred forty-two million, four hundred nineteen thousand, eight hundred twenty-four".