401333307 has 12 divisors (see below), whose sum is σ = 541223160. Its totient is φ = 264533632.

The previous prime is 401333299. The next prime is 401333327. The reversal of 401333307 is 703333104.

It is not a de Polignac number, because 401333307 - 2³ = 401333299 is a prime.

It is a super-2 number, since 2×401333307² = 322136846615112498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401333327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15319 + ... + 32207.

It is an arithmetic number, because the mean of its divisors is an integer number (45101930).

Almost surely, 2^401333307 is an apocalyptic number.

401333307 is a deficient number, since it is larger than the sum of its proper divisors (139889853).

401333307 is an equidigital number, since it uses as much as digits as its factorization.

401333307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070 (or 16981 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 401333307 is about 20033.3049445168. The cubic root of 401333307 is about 737.6240493048.

The spelling of 401333307 in words is "four hundred one million, three hundred thirty-three thousand, three hundred seven".