354443678458 has 8 divisors (see below), whose sum is σ = 532415400660. Its totient is φ = 176971878240.

The previous prime is 354443678441. The next prime is 354443678509. The reversal of 354443678458 is 854876344453.

It can be written as a sum of positive squares in 2 ways, for example, as 322616048049 + 31827630409 = 567993^2 + 178403^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 354443678396 and 354443678405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124978723 + ... + 124981558.

Almost surely, 2^354443678458 is an apocalyptic number.

354443678458 is a deficient number, since it is larger than the sum of its proper divisors (177971722202).

354443678458 is a wasteful number, since it uses less digits than its factorization.

354443678458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249960992.

The product of its digits is 154828800, while the sum is 61.

The spelling of 354443678458 in words is "three hundred fifty-four billion, four hundred forty-three million, six hundred seventy-eight thousand, four hundred fifty-eight".