440242626 has 16 divisors (see below), whose sum is σ = 883266624. Its totient is φ = 146283984.

The previous prime is 440242577. The next prime is 440242631. The reversal of 440242626 is 626242044.

It is a junction number, because it is equal to n+sod(n) for n = 440242593 and 440242602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113830 + ... + 117633.

It is an arithmetic number, because the mean of its divisors is an integer number (55204164).

Almost surely, 2^440242626 is an apocalyptic number.

440242626 is an abundant number, since it is smaller than the sum of its proper divisors (443023998).

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

440242626 is a wasteful number, since it uses less digits than its factorization.

440242626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231785.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 440242626 is about 20981.9595367068. The cubic root of 440242626 is about 760.7302687579.

The spelling of 440242626 in words is "four hundred forty million, two hundred forty-two thousand, six hundred twenty-six".