340656555451 has 8 divisors (see below), whose sum is σ = 343478220624. Its totient is φ = 337838242560.

The previous prime is 340656555431. The next prime is 340656555469. The reversal of 340656555451 is 154555656043.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 340656555451 - 2³³ = 332066620859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340656555395 and 340656555404.

It is not an unprimeable number, because it can be changed into a prime (340656555431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633786 + ... + 1040671.

It is an arithmetic number, because the mean of its divisors is an integer number (42934777578).

Almost surely, 2^340656555451 is an apocalyptic number.

340656555451 is a deficient number, since it is larger than the sum of its proper divisors (2821665173).

340656555451 is a wasteful number, since it uses less digits than its factorization.

340656555451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676141.

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 340656555451 in words is "three hundred forty billion, six hundred fifty-six million, five hundred fifty-five thousand, four hundred fifty-one".