401066263 has 16 divisors (see below), whose sum is σ = 437668000. Its totient is φ = 365316480.

The previous prime is 401066243. The next prime is 401066279. The reversal of 401066263 is 362660104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401066263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401066213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494128 + ... + 494938.

It is an arithmetic number, because the mean of its divisors is an integer number (27354250).

Almost surely, 2^401066263 is an apocalyptic number.

401066263 is a deficient number, since it is larger than the sum of its proper divisors (36601737).

401066263 is a wasteful number, since it uses less digits than its factorization.

401066263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 401066263 is about 20026.6388343127. The cubic root of 401066263 is about 737.4604099403.

The spelling of 401066263 in words is "four hundred one million, sixty-six thousand, two hundred sixty-three".