1441630944 has 144 divisors (see below), whose sum is σ = 4557780864. Its totient is φ = 429235200.

The previous prime is 1441630907. The next prime is 1441630973. The reversal of 1441630944 is 4490361441.

It is a happy number.

1441630944 is a `hidden beast` number, since 14 + 4 + 1 + 630 + 9 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1441630944² = 4156599557396662272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1441630899 and 1441630908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109854 + ... + 122274.

It is an arithmetic number, because the mean of its divisors is an integer number (31651256).

Almost surely, 2^1441630944 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 1441630944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2278890432).

1441630944 is an abundant number, since it is smaller than the sum of its proper divisors (3116149920).

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

1441630944 is a wasteful number, since it uses less digits than its factorization.

1441630944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481 (or 12470 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1441630944 is about 37968.8154147585. The cubic root of 1441630944 is about 1129.6694007683.

The spelling of 1441630944 in words is "one billion, four hundred forty-one million, six hundred thirty thousand, nine hundred forty-four".