400411032 has 64 divisors (see below), whose sum is σ = 1160179200. Its totient is φ = 112788480.

The previous prime is 400410943. The next prime is 400411049. The reversal of 400411032 is 230114004.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4857 + ... + 28712.

It is an arithmetic number, because the mean of its divisors is an integer number (18127800).

Almost surely, 2^400411032 is an apocalyptic number.

400411032 is a gapful number since it is divisible by the number (42) 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 400411032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580089600).

400411032 is an abundant number, since it is smaller than the sum of its proper divisors (759768168).

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

400411032 is a wasteful number, since it uses less digits than its factorization.

400411032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33656 (or 33652 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 400411032 is about 20010.2731615538. The cubic root of 400411032 is about 737.0585891378.

Adding to 400411032 its reverse (230114004), we get a palindrome (630525036).

The spelling of 400411032 in words is "four hundred million, four hundred eleven thousand, thirty-two".