440140026 has 16 divisors (see below), whose sum is σ = 885370464. Its totient is φ = 145864944.

The previous prime is 440140003. The next prime is 440140039. The reversal of 440140026 is 620041044.

It is a junction number, because it is equal to n+sod(n) for n = 440139984 and 440140011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210976 + ... + 213051.

It is an arithmetic number, because the mean of its divisors is an integer number (55335654).

Almost surely, 2^440140026 is an apocalyptic number.

440140026 is an abundant number, since it is smaller than the sum of its proper divisors (445230438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440140026 is a wasteful number, since it uses less digits than its factorization.

440140026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424205.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 440140026 is about 20979.5144367071. The cubic root of 440140026 is about 760.6711672647.

The spelling of 440140026 in words is "four hundred forty million, one hundred forty thousand, twenty-six".