401041004 has 24 divisors (see below), whose sum is σ = 863781408. Its totient is φ = 158653440.

The previous prime is 401041001. The next prime is 401041013. The reversal of 401041004 is 400140104.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 401041004.

It is not an unprimeable number, because it can be changed into a prime (401041001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550517 + ... + 551244.

It is an arithmetic number, because the mean of its divisors is an integer number (35990892).

Almost surely, 2^401041004 is an apocalyptic number.

It is an amenable number.

401041004 is an abundant number, since it is smaller than the sum of its proper divisors (462740404).

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

401041004 is a wasteful number, since it uses less digits than its factorization.

401041004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101785 (or 1101783 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 401041004 is about 20026.0081893522. The cubic root of 401041004 is about 737.4449279570. Note that the first 3 decimals are identical.

Adding to 401041004 its reverse (400140104), we get a palindrome (801181108).

The spelling of 401041004 in words is "four hundred one million, forty-one thousand, four".