400532010 has 16 divisors (see below), whose sum is σ = 961276896. Its totient is φ = 106808528.

The previous prime is 400531991. The next prime is 400532047. The reversal of 400532010 is 10235004.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6675504 + ... + 6675563.

It is an arithmetic number, because the mean of its divisors is an integer number (60079806).

Almost surely, 2^400532010 is an apocalyptic number.

400532010 is an abundant number, since it is smaller than the sum of its proper divisors (560744886).

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

400532010 is a wasteful number, since it uses less digits than its factorization.

400532010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351077.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 400532010 is about 20013.2958305223. The cubic root of 400532010 is about 737.1328119473.

Adding to 400532010 its reverse (10235004), we get a palindrome (410767014).

The spelling of 400532010 in words is "four hundred million, five hundred thirty-two thousand, ten".