398055555514 has 8 divisors (see below), whose sum is σ = 602995049748. Its totient is φ = 197057205600.

The previous prime is 398055555437. The next prime is 398055555559. The reversal of 398055555514 is 415555550893.

It can be written as a sum of positive squares in 2 ways, for example, as 268287741225 + 129767814289 = 517965^2 + 360233^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985285827 + ... + 985286230.

Almost surely, 2^398055555514 is an apocalyptic number.

398055555514 is a deficient number, since it is larger than the sum of its proper divisors (204939494234).

398055555514 is a wasteful number, since it uses less digits than its factorization.

398055555514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970572160.

The product of its (nonzero) digits is 13500000, while the sum is 55.

The spelling of 398055555514 in words is "three hundred ninety-eight billion, fifty-five million, five hundred fifty-five thousand, five hundred fourteen".