340221121044 has 48 divisors (see below), whose sum is σ = 907287134208. Its totient is φ = 97202733408.

The previous prime is 340221121027. The next prime is 340221121073. The reversal of 340221121044 is 440121122043.

It is a super-2 number, since 2×340221121044² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3539629 + ... + 3634475.

It is an arithmetic number, because the mean of its divisors is an integer number (18901815296).

Almost surely, 2^340221121044 is an apocalyptic number.

It is an amenable number.

340221121044 is an abundant number, since it is smaller than the sum of its proper divisors (567066013164).

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

340221121044 is a wasteful number, since it uses less digits than its factorization.

340221121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137564 (or 137562 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 340221121044 its reverse (440121122043), we get a palindrome (780342243087).

Subtracting 340221121044 from its reverse (440121122043), we obtain a palindrome (99900000999).

The spelling of 340221121044 in words is "three hundred forty billion, two hundred twenty-one million, one hundred twenty-one thousand, forty-four".