401039328 has 48 divisors (see below), whose sum is σ = 1077221376. Its totient is φ = 130569600.

The previous prime is 401039323. The next prime is 401039329. The reversal of 401039328 is 823930104.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 401039295 and 401039304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401039321) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 44448 + ... + 52703.

It is an arithmetic number, because the mean of its divisors is an integer number (22442112).

Almost surely, 2^401039328 is an apocalyptic number.

401039328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

401039328 is an abundant number, since it is smaller than the sum of its proper divisors (676182048).

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

401039328 is a wasteful number, since it uses less digits than its factorization.

401039328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97207 (or 97199 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 401039328 is about 20025.9663437248. The cubic root of 401039328 is about 737.4439006643.

The spelling of 401039328 in words is "four hundred one million, thirty-nine thousand, three hundred twenty-eight".