401033320 has 16 divisors (see below), whose sum is σ = 902325060. Its totient is φ = 160413312.

The previous prime is 401033291. The next prime is 401033333. The reversal of 401033320 is 23330104.

It can be written as a sum of positive squares in 2 ways, for example, as 385493956 + 15539364 = 19634^2 + 3942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 401033294 and 401033303.

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, 5012877 + ... + 5012956.

Almost surely, 2^401033320 is an apocalyptic number.

401033320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401033320 is an abundant number, since it is smaller than the sum of its proper divisors (501291740).

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

401033320 is a wasteful number, since it uses less digits than its factorization.

401033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025844 (or 10025840 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 401033320 is about 20025.8163379174. The cubic root of 401033320 is about 737.4402180786.

Adding to 401033320 its reverse (23330104), we get a palindrome (424363424).

The spelling of 401033320 in words is "four hundred one million, thirty-three thousand, three hundred twenty".