398827282048 has 32 divisors (see below), whose sum is σ = 855657093060. Its totient is φ = 184074129408.

The previous prime is 398827281977. The next prime is 398827282057. The reversal of 398827282048 is 840282728893.

It can be written as a sum of positive squares in 2 ways, for example, as 384806827584 + 14020454464 = 620328^2 + 118408^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×398827282048³ (a number of 36 digits) contains 333 as substring.

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, 119838265 + ... + 119841592.

Almost surely, 2^398827282048 is an apocalyptic number.

It is an amenable number.

398827282048 is an abundant number, since it is smaller than the sum of its proper divisors (456829811012).

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

398827282048 is a wasteful number, since it uses less digits than its factorization.

398827282048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239679884 (or 239679872 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 398827282048 in words is "three hundred ninety-eight billion, eight hundred twenty-seven million, two hundred eighty-two thousand, forty-eight".