44640434 has 8 divisors (see below), whose sum is σ = 69120768. Its totient is φ = 21600180.

The previous prime is 44640413. The next prime is 44640457. The reversal of 44640434 is 43404644.

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 = 44640397 and 44640406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359942 + ... + 360065.

It is an arithmetic number, because the mean of its divisors is an integer number (8640096).

Almost surely, 2^44640434 is an apocalyptic number.

44640434 is a deficient number, since it is larger than the sum of its proper divisors (24480334).

44640434 is a wasteful number, since it uses less digits than its factorization.

44640434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720040.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 44640434 is about 6681.3497139425. The cubic root of 44640434 is about 354.7394345307.

The spelling of 44640434 in words is "forty-four million, six hundred forty thousand, four hundred thirty-four".