401242004 has 12 divisors (see below), whose sum is σ = 703461024. Its totient is φ = 200253144.

The previous prime is 401241991. The next prime is 401242013. The reversal of 401242004 is 400242104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89504 + ... + 93879.

It is an arithmetic number, because the mean of its divisors is an integer number (58621752).

Almost surely, 2^401242004 is an apocalyptic number.

It is an amenable number.

401242004 is a deficient number, since it is larger than the sum of its proper divisors (302219020).

401242004 is a wasteful number, since it uses less digits than its factorization.

401242004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183934 (or 183932 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 401242004 is about 20031.0260346294. The cubic root of 401242004 is about 737.5681087726.

Adding to 401242004 its reverse (400242104), we get a palindrome (801484108).

The spelling of 401242004 in words is "four hundred one million, two hundred forty-two thousand, four".