340001333021 has 16 divisors (see below), whose sum is σ = 411522120576. Its totient is φ = 274225499136.

The previous prime is 340001332991. The next prime is 340001333027. The reversal of 340001333021 is 120333100043.

It is a cyclic number.

It is not a de Polignac number, because 340001333021 - 2¹⁰ = 340001331997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340001332984 and 340001333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340001333027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219365 + ... + 853301.

It is an arithmetic number, because the mean of its divisors is an integer number (25720132536).

Almost surely, 2^340001333021 is an apocalyptic number.

It is an amenable number.

340001333021 is a deficient number, since it is larger than the sum of its proper divisors (71520787555).

340001333021 is a wasteful number, since it uses less digits than its factorization.

340001333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638468.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 340001333021 its reverse (120333100043), we get a palindrome (460334433064).

The spelling of 340001333021 in words is "three hundred forty billion, one million, three hundred thirty-three thousand, twenty-one".