440154434 has 8 divisors (see below), whose sum is σ = 676334988. Its totient is φ = 214709440.

The previous prime is 440154419. The next prime is 440154443. The reversal of 440154434 is 434451044.

It can be written as a sum of positive squares in 2 ways, for example, as 357399025 + 82755409 = 18905^2 + 9097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 440154397 and 440154406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2683787 + ... + 2683950.

Almost surely, 2^440154434 is an apocalyptic number.

440154434 is a deficient number, since it is larger than the sum of its proper divisors (236180554).

440154434 is a wasteful number, since it uses less digits than its factorization.

440154434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367780.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 440154434 is about 20979.8578164867. The cubic root of 440154434 is about 760.6794673737.

The spelling of 440154434 in words is "four hundred forty million, one hundred fifty-four thousand, four hundred thirty-four".