440198748 has 144 divisors (see below), whose sum is σ = 1341639936. Its totient is φ = 120046080.

The previous prime is 440198719. The next prime is 440198779. The reversal of 440198748 is 847891044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153415 + ... + 156257.

It is an arithmetic number, because the mean of its divisors is an integer number (9316944).

Almost surely, 2^440198748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440198748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670819968).

440198748 is an abundant number, since it is smaller than the sum of its proper divisors (901441188).

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

440198748 is a wasteful number, since it uses less digits than its factorization.

440198748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 440198748 is about 20980.9138981123. The cubic root of 440198748 is about 760.7049944889.

The spelling of 440198748 in words is "four hundred forty million, one hundred ninety-eight thousand, seven hundred forty-eight".