340554004521 has 8 divisors (see below), whose sum is σ = 459173939040. Its totient is φ = 224485036512.

The previous prime is 340554004493. The next prime is 340554004537. The reversal of 340554004521 is 125400455043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340554004521 - 2⁷ = 340554004393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340554002521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 637741315 + ... + 637741848.

It is an arithmetic number, because the mean of its divisors is an integer number (57396742380).

Almost surely, 2^340554004521 is an apocalyptic number.

It is an amenable number.

340554004521 is a deficient number, since it is larger than the sum of its proper divisors (118619934519).

340554004521 is a wasteful number, since it uses less digits than its factorization.

340554004521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275483255.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 340554004521 its reverse (125400455043), we get a palindrome (465954459564).

The spelling of 340554004521 in words is "three hundred forty billion, five hundred fifty-four million, four thousand, five hundred twenty-one".