399786470054 has 8 divisors (see below), whose sum is σ = 599736326448. Its totient is φ = 199874361240.

The previous prime is 399786470053. The next prime is 399786470071. The reversal of 399786470054 is 450074687993.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399786470053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9410402 + ... + 9452789.

It is an arithmetic number, because the mean of its divisors is an integer number (74967040806).

Almost surely, 2^399786470054 is an apocalyptic number.

399786470054 is a deficient number, since it is larger than the sum of its proper divisors (199949856394).

399786470054 is a wasteful number, since it uses less digits than its factorization.

399786470054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18873790.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 399786470054 in words is "three hundred ninety-nine billion, seven hundred eighty-six million, four hundred seventy thousand, fifty-four".