399976627360 has 48 divisors (see below), whose sum is σ = 994678725600. Its totient is φ = 151570089216.

The previous prime is 399976627343. The next prime is 399976627361. The reversal of 399976627360 is 63726679993.

It is not an unprimeable number, because it can be changed into a prime (399976627361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65782590 + ... + 65788669.

It is an arithmetic number, because the mean of its divisors is an integer number (20722473450).

Almost surely, 2^399976627360 is an apocalyptic number.

It is an amenable number.

399976627360 is an abundant number, since it is smaller than the sum of its proper divisors (594702098240).

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

399976627360 is a wasteful number, since it uses less digits than its factorization.

399976627360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131571293 (or 131571285 counting only the distinct ones).

The product of its (nonzero) digits is 138883248, while the sum is 67.

The spelling of 399976627360 in words is "three hundred ninety-nine billion, nine hundred seventy-six million, six hundred twenty-seven thousand, three hundred sixty".