399518927141372 has 12 divisors (see below), whose sum is σ = 699164699159136. Its totient is φ = 199757584524480.

The previous prime is 399518927141329. The next prime is 399518927141387. The reversal of 399518927141372 is 273141729815993.

It is a junction number, because it is equal to n+sod(n) for n = 399518927141296 and 399518927141305.

It is a congruent number.

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, 469283108 + ... + 470133675.

It is an arithmetic number, because the mean of its divisors is an integer number (58263724929928).

Almost surely, 2^{399518927141372} is an apocalyptic number.

It is an amenable number.

399518927141372 is a deficient number, since it is larger than the sum of its proper divisors (299645772017764).

399518927141372 is a wasteful number, since it uses less digits than its factorization.

399518927141372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939523108 (or 939523106 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 71.

The spelling of 399518927141372 in words is "three hundred ninety-nine trillion, five hundred eighteen billion, nine hundred twenty-seven million, one hundred forty-one thousand, three hundred seventy-two".