203442401140 has 24 divisors (see below), whose sum is σ = 466068046752. Its totient is φ = 73979054880.

The previous prime is 203442401089. The next prime is 203442401153. The reversal of 203442401140 is 41104244302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462368874 + ... + 462369313.

It is an arithmetic number, because the mean of its divisors is an integer number (19419501948).

Almost surely, 2^203442401140 is an apocalyptic number.

203442401140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203442401140 is an abundant number, since it is smaller than the sum of its proper divisors (262625645612).

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

203442401140 is a wasteful number, since it uses less digits than its factorization.

203442401140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924738207 (or 924738205 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 203442401140 its reverse (41104244302), we get a palindrome (244546645442).

The spelling of 203442401140 in words is "two hundred three billion, four hundred forty-two million, four hundred one thousand, one hundred forty".