440424380 has 48 divisors (see below), whose sum is σ = 1026103680. Its totient is φ = 157435200.

The previous prime is 440424379. The next prime is 440424461. The reversal of 440424380 is 83424044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3986 + ... + 29945.

It is an arithmetic number, because the mean of its divisors is an integer number (21377160).

Almost surely, 2^440424380 is an apocalyptic number.

It is an amenable number.

440424380 is an abundant number, since it is smaller than the sum of its proper divisors (585679300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440424380 is a wasteful number, since it uses less digits than its factorization.

440424380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34010 (or 34008 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 440424380 is about 20986.2902867563. The cubic root of 440424380 is about 760.8349434213.

The spelling of 440424380 in words is "four hundred forty million, four hundred twenty-four thousand, three hundred eighty".