340401516205 has 8 divisors (see below), whose sum is σ = 418444790904. Its totient is φ = 265679232000.

The previous prime is 340401516179. The next prime is 340401516211. The reversal of 340401516205 is 502615104043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3571018564 + 336830497641 = 59758^2 + 580371^2 .

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

It is not a de Polignac number, because 340401516205 - 2²¹ = 340399419053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830247396 + ... + 830247805.

It is an arithmetic number, because the mean of its divisors is an integer number (52305598863).

Almost surely, 2^340401516205 is an apocalyptic number.

It is an amenable number.

340401516205 is a deficient number, since it is larger than the sum of its proper divisors (78043274699).

340401516205 is a wasteful number, since it uses less digits than its factorization.

340401516205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660495247.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 340401516205 in words is "three hundred forty billion, four hundred one million, five hundred sixteen thousand, two hundred five".