401732266 has 12 divisors (see below), whose sum is σ = 652518342. Its totient is φ = 185414736.

The previous prime is 401732251. The next prime is 401732267. The reversal of 401732266 is 662237104.

It can be written as a sum of positive squares in 3 ways, for example, as 278055625 + 123676641 = 16675^2 + 11121^2 .

It is a super-2 number, since 2×401732266² = 322777627090989512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401732267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 593941 + ... + 594616.

Almost surely, 2^401732266 is an apocalyptic number.

401732266 is a deficient number, since it is larger than the sum of its proper divisors (250786076).

401732266 is a wasteful number, since it uses less digits than its factorization.

401732266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188585 (or 1188572 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 401732266 is about 20043.2598646029. The cubic root of 401732266 is about 737.8683884349.

The spelling of 401732266 in words is "four hundred one million, seven hundred thirty-two thousand, two hundred sixty-six".