441249918 has 32 divisors (see below), whose sum is σ = 914496000. Its totient is φ = 141837696.

The previous prime is 441249833. The next prime is 441249923. The reversal of 441249918 is 819942144.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 441249918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9558 + ... + 31206.

It is an arithmetic number, because the mean of its divisors is an integer number (28578000).

Almost surely, 2^441249918 is an apocalyptic number.

441249918 is an abundant number, since it is smaller than the sum of its proper divisors (473246082).

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

441249918 is a wasteful number, since it uses less digits than its factorization.

441249918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21776.

The product of its digits is 82944, while the sum is 42.

The square root of 441249918 is about 21005.9495857721. The cubic root of 441249918 is about 761.3100201543.

The spelling of 441249918 in words is "four hundred forty-one million, two hundred forty-nine thousand, nine hundred eighteen".