338405549944 has 32 divisors (see below), whose sum is σ = 791077910400. Its totient is φ = 131846317920.

The previous prime is 338405549939. The next prime is 338405549947. The reversal of 338405549944 is 449945504833.

It is a super-2 number, since 2×338405549944² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338405549947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274679214 + ... + 274680445.

It is an arithmetic number, because the mean of its divisors is an integer number (24721184700).

Almost surely, 2^338405549944 is an apocalyptic number.

It is an amenable number.

338405549944 is an abundant number, since it is smaller than the sum of its proper divisors (452672360456).

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

338405549944 is a wasteful number, since it uses less digits than its factorization.

338405549944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549359683 (or 549359679 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 338405549944 in words is "three hundred thirty-eight billion, four hundred five million, five hundred forty-nine thousand, nine hundred forty-four".