400470180 has 192 divisors, whose sum is σ = 1273079808. Its totient is φ = 93219840.

The previous prime is 400470179. The next prime is 400470199. The reversal of 400470180 is 81074004.

It is a self number, because there is not a number n which added to its sum of digits gives 400470180.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2923072 + ... + 2923208.

It is an arithmetic number, because the mean of its divisors is an integer number (6630624).

Almost surely, 2^400470180 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 400470180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636539904).

400470180 is an abundant number, since it is smaller than the sum of its proper divisors (872609628).

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

400470180 is a wasteful number, since it uses less digits than its factorization.

400470180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 400470180 is about 20011.7510478219. The cubic root of 400470180 is about 737.0948796755.

The spelling of 400470180 in words is "four hundred million, four hundred seventy thousand, one hundred eighty".