440477434 has 4 divisors (see below), whose sum is σ = 660716154. Its totient is φ = 220238716.

The previous prime is 440477417. The next prime is 440477461. The reversal of 440477434 is 434774044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 411887025 + 28590409 = 20295^2 + 5347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440477393 and 440477402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110119357 + ... + 110119360.

Almost surely, 2^440477434 is an apocalyptic number.

440477434 is a deficient number, since it is larger than the sum of its proper divisors (220238720).

440477434 is a wasteful number, since it uses less digits than its factorization.

440477434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220238719.

The product of its (nonzero) digits is 150528, while the sum is 37.

The square root of 440477434 is about 20987.5542643730. The cubic root of 440477434 is about 760.8654925297.

The spelling of 440477434 in words is "four hundred forty million, four hundred seventy-seven thousand, four hundred thirty-four".