401111432 has 24 divisors (see below), whose sum is σ = 793756350. Its totient is φ = 189998784.

The previous prime is 401111423. The next prime is 401111453. The reversal of 401111432 is 234111104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 401040676 + 70756 = 20026^2 + 266^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401111432.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66557 + ... + 72332.

Almost surely, 2^401111432 is an apocalyptic number.

It is an amenable number.

401111432 is a deficient number, since it is larger than the sum of its proper divisors (392644918).

401111432 is a wasteful number, since it uses less digits than its factorization.

401111432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138933 (or 138910 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 401111432 is about 20027.7665255015. The cubic root of 401111432 is about 737.4880937272.

Adding to 401111432 its reverse (234111104), we get a palindrome (635222536).

The spelling of 401111432 in words is "four hundred one million, one hundred eleven thousand, four hundred thirty-two".