401032401 has 16 divisors (see below), whose sum is σ = 666651648. Its totient is φ = 208328400.

The previous prime is 401032339. The next prime is 401032403. The reversal of 401032401 is 104230104.

It is not a de Polignac number, because 401032401 - 2¹⁷ = 400901329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401032403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867805 + ... + 868266.

It is an arithmetic number, because the mean of its divisors is an integer number (41665728).

Almost surely, 2^401032401 is an apocalyptic number.

It is an amenable number.

401032401 is a deficient number, since it is larger than the sum of its proper divisors (265619247).

401032401 is a wasteful number, since it uses less digits than its factorization.

401032401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736092.

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

The square root of 401032401 is about 20025.7933925226. The cubic root of 401032401 is about 737.4396547771.

Adding to 401032401 its reverse (104230104), we get a palindrome (505262505).

The spelling of 401032401 in words is "four hundred one million, thirty-two thousand, four hundred one".