399000474180 has 1296 divisors, whose sum is σ = 1638338764608. Its totient is φ = 81190771200.

The previous prime is 399000474167. The next prime is 399000474217. The reversal of 399000474180 is 81474000993.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1757711227 + ... + 1757711453.

Almost surely, 2^399000474180 is an apocalyptic number.

399000474180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399000474180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819169382304).

399000474180 is an abundant number, since it is smaller than the sum of its proper divisors (1239338290428).

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

399000474180 is a wasteful number, since it uses less digits than its factorization.

399000474180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 399000474180 in words is "three hundred ninety-nine billion, four hundred seventy-four thousand, one hundred eighty".