340425855 has 64 divisors (see below), whose sum is σ = 754560000. Its totient is φ = 141471360.

The previous prime is 340425851. The next prime is 340425889. The reversal of 340425855 is 558524043.

340425855 is a `hidden beast` number, since 34 + 0 + 42 + 585 + 5 = 666.

It is not a de Polignac number, because 340425855 - 2² = 340425851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340425851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5980 + ... + 26769.

It is an arithmetic number, because the mean of its divisors is an integer number (11790000).

Almost surely, 2^340425855 is an apocalyptic number.

340425855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

340425855 is an abundant number, since it is smaller than the sum of its proper divisors (414134145).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340425855 is a wasteful number, since it uses less digits than its factorization.

340425855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32781 (or 32775 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 340425855 is about 18450.6329159734. The cubic root of 340425855 is about 698.2444819993.

Adding to 340425855 its reverse (558524043), we get a palindrome (898949898).

The spelling of 340425855 in words is "three hundred forty million, four hundred twenty-five thousand, eight hundred fifty-five".