441332978 has 4 divisors (see below), whose sum is σ = 661999470. Its totient is φ = 220666488.

The previous prime is 441332977. The next prime is 441333023. The reversal of 441332978 is 879233144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 261048649 + 180284329 = 16157^2 + 13427^2 .

It is not an unprimeable number, because it can be changed into a prime (441332977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110333243 + ... + 110333246.

Almost surely, 2^441332978 is an apocalyptic number.

441332978 is a deficient number, since it is larger than the sum of its proper divisors (220666492).

441332978 is a wasteful number, since it uses less digits than its factorization.

441332978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220666491.

The product of its digits is 145152, while the sum is 41.

The square root of 441332978 is about 21007.9265516614. The cubic root of 441332978 is about 761.3577863146.

The spelling of 441332978 in words is "four hundred forty-one million, three hundred thirty-two thousand, nine hundred seventy-eight".