401523028 has 12 divisors (see below), whose sum is σ = 702806272. Its totient is φ = 200721240.

The previous prime is 401523011. The next prime is 401523037. The reversal of 401523028 is 820325104.

It is a super-2 number, since 2×401523028² = 322441484028577568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401522993 and 401523011.

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, 30733 + ... + 41803.

Almost surely, 2^401523028 is an apocalyptic number.

It is an amenable number.

401523028 is a deficient number, since it is larger than the sum of its proper divisors (301283244).

401523028 is a wasteful number, since it uses less digits than its factorization.

401523028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20142 (or 20140 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 401523028 is about 20038.0395248637. The cubic root of 401523028 is about 737.7402625404.

The spelling of 401523028 in words is "four hundred one million, five hundred twenty-three thousand, twenty-eight".