441957870 has 80 divisors (see below), whose sum is σ = 1216108080. Its totient is φ = 115105536.

The previous prime is 441957869. The next prime is 441957931. The reversal of 441957870 is 78759144.

It is a happy number.

441957870 is a `hidden beast` number, since 4 + 4 + 1 + 9 + 578 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28486 + ... + 41174.

It is an arithmetic number, because the mean of its divisors is an integer number (15201351).

Almost surely, 2^441957870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441957870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608054040).

441957870 is an abundant number, since it is smaller than the sum of its proper divisors (774150210).

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

441957870 is a wasteful number, since it uses less digits than its factorization.

441957870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751 (or 12742 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 441957870 is about 21022.7940578792. The cubic root of 441957870 is about 761.7169573118.

The spelling of 441957870 in words is "four hundred forty-one million, nine hundred fifty-seven thousand, eight hundred seventy".