440149249 has 4 divisors (see below), whose sum is σ = 445452336. Its totient is φ = 434846164.

The previous prime is 440149217. The next prime is 440149267. The reversal of 440149249 is 942941044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440149249 - 2⁵ = 440149217 is a prime.

It is a super-2 number, since 2×440149249² = 387462722790528002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440149289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651419 + ... + 2651584.

It is an arithmetic number, because the mean of its divisors is an integer number (111363084).

Almost surely, 2^440149249 is an apocalyptic number.

It is an amenable number.

440149249 is a deficient number, since it is larger than the sum of its proper divisors (5303087).

440149249 is an equidigital number, since it uses as much as digits as its factorization.

440149249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303086.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 440149249 is about 20979.7342452186. The cubic root of 440149249 is about 760.6764804384.

The spelling of 440149249 in words is "four hundred forty million, one hundred forty-nine thousand, two hundred forty-nine".