399029002848 has 144 divisors (see below), whose sum is σ = 1324437004800. Its totient is φ = 111582551808.

The previous prime is 399029002837. The next prime is 399029002903. The reversal of 399029002848 is 848200920993.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×399029002848² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 399029002794 and 399029002803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2010898 + ... + 2200401.

It is an arithmetic number, because the mean of its divisors is an integer number (9197479200).

Almost surely, 2^399029002848 is an apocalyptic number.

It is an amenable number.

399029002848 is an abundant number, since it is smaller than the sum of its proper divisors (925408001952).

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

399029002848 is a wasteful number, since it uses less digits than its factorization.

399029002848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211369 (or 4211358 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 399029002848 in words is "three hundred ninety-nine billion, twenty-nine million, two thousand, eight hundred forty-eight".