400230160 has 80 divisors (see below), whose sum is σ = 1050200640. Its totient is φ = 140510720.

The previous prime is 400230157. The next prime is 400230161. The reversal of 400230160 is 61032004.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (400230161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17679 + ... + 33361.

It is an arithmetic number, because the mean of its divisors is an integer number (13127508).

Almost surely, 2^400230160 is an apocalyptic number.

400230160 is a gapful number since it is divisible by the number (40) 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 400230160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525100320).

400230160 is an abundant number, since it is smaller than the sum of its proper divisors (649970480).

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

400230160 is a wasteful number, since it uses less digits than its factorization.

400230160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15736 (or 15730 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 400230160 is about 20005.7531725251. The cubic root of 400230160 is about 736.9475920800.

Adding to 400230160 its reverse (61032004), we get a palindrome (461262164).

The spelling of 400230160 in words is "four hundred million, two hundred thirty thousand, one hundred sixty".