401130432 has 84 divisors (see below), whose sum is σ = 1210315080. Its totient is φ = 126669312.

The previous prime is 401130427. The next prime is 401130437. The reversal of 401130432 is 234031104.

It is an interprime number because it is at equal distance from previous prime (401130427) and next prime (401130437).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401130437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7383 + ... + 29270.

Almost surely, 2^401130432 is an apocalyptic number.

It is an amenable number.

401130432 is an abundant number, since it is smaller than the sum of its proper divisors (809184648).

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

401130432 is a wasteful number, since it uses less digits than its factorization.

401130432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36690 (or 36677 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 401130432 is about 20028.2408613438. The cubic root of 401130432 is about 737.4997380828.

Adding to 401130432 its reverse (234031104), we get a palindrome (635161536).

It can be divided in two parts, 4011 and 30432, that added together give a palindrome (34443).

The spelling of 401130432 in words is "four hundred one million, one hundred thirty thousand, four hundred thirty-two".