440132434 has 16 divisors (see below), whose sum is σ = 772060608. Its totient is φ = 184241232.

The previous prime is 440132419. The next prime is 440132443. The reversal of 440132434 is 434231044.

It is a junction number, because it is equal to n+sod(n) for n = 440132399 and 440132408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364957 + ... + 366160.

It is an arithmetic number, because the mean of its divisors is an integer number (48253788).

Almost surely, 2^440132434 is an apocalyptic number.

440132434 is a deficient number, since it is larger than the sum of its proper divisors (331928174).

440132434 is a wasteful number, since it uses less digits than its factorization.

440132434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731169.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 440132434 is about 20979.3334975161. Note that the first 3 decimals coincide. The cubic root of 440132434 is about 760.6667936197. Note that the first 3 decimals are identical.

Adding to 440132434 its reverse (434231044), we get a palindrome (874363478).

The spelling of 440132434 in words is "four hundred forty million, one hundred thirty-two thousand, four hundred thirty-four".