441426261 has 16 divisors (see below), whose sum is σ = 603542016. Its totient is φ = 286826736.

The previous prime is 441426229. The next prime is 441426277. The reversal of 441426261 is 162624144.

It is a happy number.

It is not a de Polignac number, because 441426261 - 2⁵ = 441426229 is a prime.

It is a super-3 number, since 3×441426261³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441426211) 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, 61486 + ... + 68288.

It is an arithmetic number, because the mean of its divisors is an integer number (37721376).

Almost surely, 2^441426261 is an apocalyptic number.

It is an amenable number.

441426261 is a deficient number, since it is larger than the sum of its proper divisors (162115755).

441426261 is a wasteful number, since it uses less digits than its factorization.

441426261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352.

The product of its digits is 9216, while the sum is 30.

The square root of 441426261 is about 21010.1466201452. The cubic root of 441426261 is about 761.4114243753.

It can be divided in two parts, 44142 and 6261, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 441426261 in words is "four hundred forty-one million, four hundred twenty-six thousand, two hundred sixty-one".