203504445342 has 96 divisors (see below), whose sum is σ = 514250830080. Its totient is φ = 57476885760.

The previous prime is 203504445341. The next prime is 203504445373. The reversal of 203504445342 is 243544405302.

203504445342 is a `hidden beast` number, since 20 + 3 + 504 + 44 + 53 + 42 = 666.

203504445342 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203504445297 and 203504445306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203504445341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53209 + ... + 640187.

It is an arithmetic number, because the mean of its divisors is an integer number (5356779480).

Almost surely, 2^203504445342 is an apocalyptic number.

203504445342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 203504445342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257125415040).

203504445342 is an abundant number, since it is smaller than the sum of its proper divisors (310746384738).

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

203504445342 is a wasteful number, since it uses less digits than its factorization.

203504445342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587118 (or 587115 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

It can be divided in two parts, 203504 and 445342, that added together give a palindrome (648846).

The spelling of 203504445342 in words is "two hundred three billion, five hundred four million, four hundred forty-five thousand, three hundred forty-two".