401004011 has 8 divisors (see below), whose sum is σ = 418640640. Its totient is φ = 383384232.

The previous prime is 401004001. The next prime is 401004031. The reversal of 401004011 is 110400104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401004011 - 2⁶ = 401003947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401003983 and 401004001.

It is not an unprimeable number, because it can be changed into a prime (401004001) 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, 83666 + ... + 88328.

It is an arithmetic number, because the mean of its divisors is an integer number (52330080).

Almost surely, 2^401004011 is an apocalyptic number.

401004011 is a deficient number, since it is larger than the sum of its proper divisors (17636629).

401004011 is a wasteful number, since it uses less digits than its factorization.

401004011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 401004011 is about 20025.0845441411. The cubic root of 401004011 is about 737.4222526870.

Adding to 401004011 its reverse (110400104), we get a palindrome (511404115).

The spelling of 401004011 in words is "four hundred one million, four thousand, eleven".