440207152 has 80 divisors (see below), whose sum is σ = 1079430912. Its totient is φ = 168917760.

The previous prime is 440207147. The next prime is 440207177. The reversal of 440207152 is 251702044.

It is a super-2 number, since 2×440207152² = 387564673343902208, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 79878 + ... + 85210.

Almost surely, 2^440207152 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 440207152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539715456).

440207152 is an abundant number, since it is smaller than the sum of its proper divisors (639223760).

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

440207152 is a wasteful number, since it uses less digits than its factorization.

440207152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 440207152 is about 20981.1141744189. The cubic root of 440207152 is about 760.7098354265.

Adding to 440207152 its reverse (251702044), we get a palindrome (691909196).

The spelling of 440207152 in words is "four hundred forty million, two hundred seven thousand, one hundred fifty-two".