440142036 has 24 divisors (see below), whose sum is σ = 1087410240. Its totient is φ = 138083712.

The previous prime is 440141983. The next prime is 440142041. The reversal of 440142036 is 630241044.

It is a junction number, because it is equal to n+sod(n) for n = 440141997 and 440142015.

It is a congruent number.

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, 1078576 + ... + 1078983.

It is an arithmetic number, because the mean of its divisors is an integer number (45308760).

Almost surely, 2^440142036 is an apocalyptic number.

It is an amenable number.

440142036 is an abundant number, since it is smaller than the sum of its proper divisors (647268204).

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

440142036 is a wasteful number, since it uses less digits than its factorization.

440142036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157583 (or 2157581 counting only the distinct ones).

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

The square root of 440142036 is about 20979.5623405256. The cubic root of 440142036 is about 760.6723251892.

The spelling of 440142036 in words is "four hundred forty million, one hundred forty-two thousand, thirty-six".