440053284 has 72 divisors (see below), whose sum is σ = 1159266304. Its totient is φ = 129729600.

The previous prime is 440053283. The next prime is 440053303. The reversal of 440053284 is 482350044.

It is not an unprimeable number, because it can be changed into a prime (440053283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49629 + ... + 57819.

Almost surely, 2^440053284 is an apocalyptic number.

440053284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440053284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579633152).

440053284 is an abundant number, since it is smaller than the sum of its proper divisors (719213020).

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

440053284 is a wasteful number, since it uses less digits than its factorization.

440053284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257 (or 8244 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 440053284 is about 20977.4470324680. The cubic root of 440053284 is about 760.6211934159.

The spelling of 440053284 in words is "four hundred forty million, fifty-three thousand, two hundred eighty-four".