397516124288 has 32 divisors (see below), whose sum is σ = 795384907500. Its totient is φ = 197890108416.

The previous prime is 397516124251. The next prime is 397516124347. The reversal of 397516124288 is 882421615793.

It can be written as a sum of positive squares in 2 ways, for example, as 396587581504 + 928542784 = 629752^2 + 30472^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6751463 + ... + 6810086.

Almost surely, 2^397516124288 is an apocalyptic number.

It is an amenable number.

397516124288 is an abundant number, since it is smaller than the sum of its proper divisors (397868783212).

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

397516124288 is a wasteful number, since it uses less digits than its factorization.

397516124288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561792 (or 13561780 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The spelling of 397516124288 in words is "three hundred ninety-seven billion, five hundred sixteen million, one hundred twenty-four thousand, two hundred eighty-eight".