440276769 has 8 divisors (see below), whose sum is σ = 652261920. Its totient is φ = 293517828.

The previous prime is 440276731. The next prime is 440276783. The reversal of 440276769 is 967672044.

It is not a de Polignac number, because 440276769 - 2¹² = 440272673 is a prime.

It is a super-2 number, since 2×440276769² = 387687266642158722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440276719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8153247 + ... + 8153300.

It is an arithmetic number, because the mean of its divisors is an integer number (81532740).

Almost surely, 2^440276769 is an apocalyptic number.

It is an amenable number.

440276769 is a deficient number, since it is larger than the sum of its proper divisors (211985151).

440276769 is a wasteful number, since it uses less digits than its factorization.

440276769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306556 (or 16306550 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 440276769 is about 20982.7731484663. The cubic root of 440276769 is about 760.7499343852.

The spelling of 440276769 in words is "four hundred forty million, two hundred seventy-six thousand, seven hundred sixty-nine".