398410225952 has 18 divisors (see below), whose sum is σ = 784377162009. Its totient is φ = 199203327680.

The previous prime is 398410225861. The next prime is 398410225979. The reversal of 398410225952 is 259522014893.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 211125546256 + 187284679696 = 459484^2 + 432764^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=446324.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398410225952.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3514802 + ... + 3626382.

Almost surely, 2^398410225952 is an apocalyptic number.

398410225952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

398410225952 is a deficient number, since it is larger than the sum of its proper divisors (385966936057).

398410225952 is an frugal number, since it uses more digits than its factorization.

398410225952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223172 (or 111583 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

Multiplying 398410225952 by its sum of digits (50), we get a square (19920511297600 = 4463240²).

The spelling of 398410225952 in words is "three hundred ninety-eight billion, four hundred ten million, two hundred twenty-five thousand, nine hundred fifty-two".