340426458 has 24 divisors (see below), whose sum is σ = 776412000. Its totient is φ = 107502984.

The previous prime is 340426423. The next prime is 340426481. The reversal of 340426458 is 854624043.

340426458 is a `hidden beast` number, since 3 + 4 + 0 + 4 + 2 + 645 + 8 = 666.

340426458 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497358 + ... + 498041.

It is an arithmetic number, because the mean of its divisors is an integer number (32350500).

Almost surely, 2^340426458 is an apocalyptic number.

340426458 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

340426458 is an abundant number, since it is smaller than the sum of its proper divisors (435985542).

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

340426458 is a wasteful number, since it uses less digits than its factorization.

340426458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995426 (or 995423 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 340426458 is about 18450.6492568690. The cubic root of 340426458 is about 698.2448942684.

The spelling of 340426458 in words is "three hundred forty million, four hundred twenty-six thousand, four hundred fifty-eight".