340505552545 has 24 divisors (see below), whose sum is σ = 434190463488. Its totient is φ = 256301356800.

The previous prime is 340505552539. The next prime is 340505552561. The reversal of 340505552545 is 545255505043.

It is not a de Polignac number, because 340505552545 - 2¹⁵ = 340505519777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4865250 + ... + 4934740.

It is an arithmetic number, because the mean of its divisors is an integer number (18091269312).

Almost surely, 2^340505552545 is an apocalyptic number.

It is an amenable number.

340505552545 is a deficient number, since it is larger than the sum of its proper divisors (93684910943).

340505552545 is a wasteful number, since it uses less digits than its factorization.

340505552545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72921 (or 72904 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 43.

The spelling of 340505552545 in words is "three hundred forty billion, five hundred five million, five hundred fifty-two thousand, five hundred forty-five".