440649147 has 16 divisors (see below), whose sum is σ = 592394240. Its totient is φ = 291343392.

The previous prime is 440649109. The next prime is 440649149. The reversal of 440649147 is 741946044.

It is not a de Polignac number, because 440649147 - 2¹⁴ = 440632763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440649149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404838 + ... + 405924.

It is an arithmetic number, because the mean of its divisors is an integer number (37024640).

Almost surely, 2^440649147 is an apocalyptic number.

440649147 is a deficient number, since it is larger than the sum of its proper divisors (151745093).

440649147 is a wasteful number, since it uses less digits than its factorization.

440649147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 440649147 is about 20991.6446949733. The cubic root of 440649147 is about 760.9643500515.

The spelling of 440649147 in words is "four hundred forty million, six hundred forty-nine thousand, one hundred forty-seven".