401504828 has 6 divisors (see below), whose sum is σ = 702633456. Its totient is φ = 200752412.

The previous prime is 401504791. The next prime is 401504837. The reversal of 401504828 is 828405104.

It is a happy number.

It is a super-2 number, since 2×401504828² = 322412253814619168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401504794 and 401504803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50188100 + ... + 50188107.

It is an arithmetic number, because the mean of its divisors is an integer number (117105576).

Almost surely, 2^401504828 is an apocalyptic number.

It is an amenable number.

401504828 is a deficient number, since it is larger than the sum of its proper divisors (301128628).

401504828 is a wasteful number, since it uses less digits than its factorization.

401504828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100376211 (or 100376209 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 401504828 is about 20037.5853834737. The cubic root of 401504828 is about 737.7291157529.

The spelling of 401504828 in words is "four hundred one million, five hundred four thousand, eight hundred twenty-eight".