398519979200 has 252 divisors, whose sum is σ = 1177511723712. Its totient is φ = 132227020800.

The previous prime is 398519979157. The next prime is 398519979271. The reversal of 398519979200 is 2979915893.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2348414 + ... + 2512386.

Almost surely, 2^398519979200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398519979200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588755861856).

398519979200 is an abundant number, since it is smaller than the sum of its proper divisors (778991744512).

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

398519979200 is a wasteful number, since it uses less digits than its factorization.

398519979200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164040 (or 164018 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 398519979200 in words is "three hundred ninety-eight billion, five hundred nineteen million, nine hundred seventy-nine thousand, two hundred".