340404503444 has 6 divisors (see below), whose sum is σ = 595707881034. Its totient is φ = 170202251720.

The previous prime is 340404503441. The next prime is 340404503459. The reversal of 340404503444 is 444305404043.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 172150308100 + 168254195344 = 414910^2 + 410188^2 .

It is a super-3 number, since 3×340404503444³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340404503441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42550562927 + ... + 42550562934.

It is an arithmetic number, because the mean of its divisors is an integer number (99284646839).

Almost surely, 2^340404503444 is an apocalyptic number.

It is an amenable number.

340404503444 is a deficient number, since it is larger than the sum of its proper divisors (255303377590).

340404503444 is a wasteful number, since it uses less digits than its factorization.

340404503444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85101125865 (or 85101125863 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 340404503444 its reverse (444305404043), we get a palindrome (784709907487).

The spelling of 340404503444 in words is "three hundred forty billion, four hundred four million, five hundred three thousand, four hundred forty-four".