183440265940 has 12 divisors (see below), whose sum is σ = 385224558516. Its totient is φ = 73376106368.

The previous prime is 183440265937. The next prime is 183440266013. The reversal of 183440265940 is 49562044381.

183440265940 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30499828164 + 152940437776 = 174642^2 + 391076^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4586006629 + ... + 4586006668.

It is an arithmetic number, because the mean of its divisors is an integer number (32102046543).

Almost surely, 2^183440265940 is an apocalyptic number.

183440265940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183440265940 is an abundant number, since it is smaller than the sum of its proper divisors (201784292576).

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

183440265940 is a wasteful number, since it uses less digits than its factorization.

183440265940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172013306 (or 9172013304 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 183440265940 in words is "one hundred eighty-three billion, four hundred forty million, two hundred sixty-five thousand, nine hundred forty".