340151405021 has 16 divisors (see below), whose sum is σ = 342373687488. Its totient is φ = 337938374400.

The previous prime is 340151404981. The next prime is 340151405071. The reversal of 340151405021 is 120504151043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340151405021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340151405071) 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, 178368950 + ... + 178370856.

It is an arithmetic number, because the mean of its divisors is an integer number (21398355468).

Almost surely, 2^340151405021 is an apocalyptic number.

It is an amenable number.

340151405021 is a deficient number, since it is larger than the sum of its proper divisors (2222282467).

340151405021 is a wasteful number, since it uses less digits than its factorization.

340151405021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 340151405021 its reverse (120504151043), we get a palindrome (460655556064).

The spelling of 340151405021 in words is "three hundred forty billion, one hundred fifty-one million, four hundred five thousand, twenty-one".