441947478 has 64 divisors (see below), whose sum is σ = 1030164480. Its totient is φ = 123796992.

The previous prime is 441947449. The next prime is 441947479. The reversal of 441947478 is 874749144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441947479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511675 + ... + 512537.

It is an arithmetic number, because the mean of its divisors is an integer number (16096320).

Almost surely, 2^441947478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441947478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515082240).

441947478 is an abundant number, since it is smaller than the sum of its proper divisors (588217002).

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

441947478 is a wasteful number, since it uses less digits than its factorization.

441947478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its digits is 903168, while the sum is 48.

The square root of 441947478 is about 21022.5468961304. The cubic root of 441947478 is about 761.7109870408.

The spelling of 441947478 in words is "four hundred forty-one million, nine hundred forty-seven thousand, four hundred seventy-eight".