440035380 has 72 divisors (see below), whose sum is σ = 1339289952. Its totient is φ = 116945856.

The previous prime is 440035363. The next prime is 440035381. The reversal of 440035380 is 83530044.

It is a happy number.

It is a super-2 number, since 2×440035380² = 387262271303488800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440035381) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 51279 + ... + 59241.

Almost surely, 2^440035380 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 440035380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669644976).

440035380 is an abundant number, since it is smaller than the sum of its proper divisors (899254572).

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

440035380 is a wasteful number, since it uses less digits than its factorization.

440035380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8285 (or 8280 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 440035380 is about 20977.0202841109. The cubic root of 440035380 is about 760.6108777359.

The spelling of 440035380 in words is "four hundred forty million, thirty-five thousand, three hundred eighty".