440428470 has 32 divisors (see below), whose sum is σ = 1091128320. Its totient is φ = 113658720.

The previous prime is 440428459. The next prime is 440428477. The reversal of 440428470 is 74824044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440428477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235860 + ... + 237719.

It is an arithmetic number, because the mean of its divisors is an integer number (34097760).

Almost surely, 2^440428470 is an apocalyptic number.

440428470 is an abundant number, since it is smaller than the sum of its proper divisors (650699850).

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

440428470 is a wasteful number, since it uses less digits than its factorization.

440428470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473620.

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 440428470 is about 20986.3877310985. The cubic root of 440428470 is about 760.8372985780.

The spelling of 440428470 in words is "four hundred forty million, four hundred twenty-eight thousand, four hundred seventy".