440040204 has 36 divisors (see below), whose sum is σ = 1127567896. Its totient is φ = 144669888.

The previous prime is 440040173. The next prime is 440040221. The reversal of 440040204 is 402040044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×440040204² = 387270762272723232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81094 + ... + 86349.

Almost surely, 2^440040204 is an apocalyptic number.

It is an amenable number.

440040204 is an abundant number, since it is smaller than the sum of its proper divisors (687527692).

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

440040204 is a wasteful number, since it uses less digits than its factorization.

440040204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167526 (or 167521 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 440040204 is about 20977.1352667613. The cubic root of 440040204 is about 760.6136571893.

Adding to 440040204 its reverse (402040044), we get a palindrome (842080248).

The spelling of 440040204 in words is "four hundred forty million, forty thousand, two hundred four".