401264043 has 16 divisors (see below), whose sum is σ = 538492416. Its totient is φ = 265779360.

The previous prime is 401264033. The next prime is 401264047. The reversal of 401264043 is 340462104.

It is not a de Polignac number, because 401264043 - 2¹⁴ = 401247659 is a prime.

It is a super-2 number, since 2×401264043² = 322025664409411698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401264047) 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 15 ways as a sum of consecutive naturals, for example, 425953 + ... + 426893.

It is an arithmetic number, because the mean of its divisors is an integer number (33655776).

Almost surely, 2^401264043 is an apocalyptic number.

401264043 is a deficient number, since it is larger than the sum of its proper divisors (137228373).

401264043 is a wasteful number, since it uses less digits than its factorization.

401264043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 401264043 is about 20031.5761486709. The cubic root of 401264043 is about 737.5816126479.

The spelling of 401264043 in words is "four hundred one million, two hundred sixty-four thousand, forty-three".