440028468 has 36 divisors (see below), whose sum is σ = 1213412928. Its totient is φ = 133341840.

The previous prime is 440028409. The next prime is 440028469. The reversal of 440028468 is 864820044.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440028469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555196 + ... + 555987.

Almost surely, 2^440028468 is an apocalyptic number.

It is an amenable number.

440028468 is an abundant number, since it is smaller than the sum of its proper divisors (773384460).

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

440028468 is a wasteful number, since it uses less digits than its factorization.

440028468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111204 (or 1111199 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 440028468 is about 20976.8555317521. The cubic root of 440028468 is about 760.6068952001.

The spelling of 440028468 in words is "four hundred forty million, twenty-eight thousand, four hundred sixty-eight".