440027136 has 72 divisors (see below), whose sum is σ = 1270932390. Its totient is φ = 146669568.

The previous prime is 440027101. The next prime is 440027143. The reversal of 440027136 is 631720044.

It can be written as a sum of positive squares in only one way, i.e., 426009600 + 14017536 = 20640^2 + 3744^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6496 + ... + 30368.

Almost surely, 2^440027136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440027136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635466195).

440027136 is an abundant number, since it is smaller than the sum of its proper divisors (830905254).

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

440027136 is a wasteful number, since it uses less digits than its factorization.

440027136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23901 (or 23878 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 440027136 is about 20976.8237824510. The cubic root of 440027136 is about 760.6061277275.

The spelling of 440027136 in words is "four hundred forty million, twenty-seven thousand, one hundred thirty-six".