440412734 has 32 divisors (see below), whose sum is σ = 704894400. Its totient is φ = 205999360.

The previous prime is 440412733. The next prime is 440412793. The reversal of 440412734 is 437214044.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440412697 and 440412706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440412733) 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, 396572 + ... + 397680.

It is an arithmetic number, because the mean of its divisors is an integer number (22027950).

Almost surely, 2^440412734 is an apocalyptic number.

440412734 is a deficient number, since it is larger than the sum of its proper divisors (264481666).

440412734 is a wasteful number, since it uses less digits than its factorization.

440412734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 440412734 is about 20986.0128180653. The cubic root of 440412734 is about 760.8282371910.

Adding to 440412734 its reverse (437214044), we get a palindrome (877626778).

The spelling of 440412734 in words is "four hundred forty million, four hundred twelve thousand, seven hundred thirty-four".