400060188 has 96 divisors (see below), whose sum is σ = 1137024000. Its totient is φ = 120637440.

The previous prime is 400060163. The next prime is 400060189. The reversal of 400060188 is 881060004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400060189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283228 + ... + 284636.

It is an arithmetic number, because the mean of its divisors is an integer number (11844000).

Almost surely, 2^400060188 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 400060188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568512000).

400060188 is an abundant number, since it is smaller than the sum of its proper divisors (736963812).

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

400060188 is a wasteful number, since it uses less digits than its factorization.

400060188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 400060188 is about 20001.5046434012. The cubic root of 400060188 is about 736.8432536226.

The spelling of 400060188 in words is "four hundred million, sixty thousand, one hundred eighty-eight".