440423126 has 24 divisors (see below), whose sum is σ = 780401304. Its totient is φ = 184791360.

The previous prime is 440423117. The next prime is 440423161. The reversal of 440423126 is 621324044.

It is a super-2 number, since 2×440423126² = 387945059831223752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 440423095 and 440423104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55511 + ... + 62946.

It is an arithmetic number, because the mean of its divisors is an integer number (32516721).

Almost surely, 2^440423126 is an apocalyptic number.

440423126 is a deficient number, since it is larger than the sum of its proper divisors (339978178).

440423126 is a wasteful number, since it uses less digits than its factorization.

440423126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118496 (or 118483 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 440423126 is about 20986.2604100874. The cubic root of 440423126 is about 760.8342213238.

The spelling of 440423126 in words is "four hundred forty million, four hundred twenty-three thousand, one hundred twenty-six".