1941449472 has 252 divisors, whose sum is σ = 5924811984. Its totient is φ = 634521600.

The previous prime is 1941449437. The next prime is 1941449473. The reversal of 1941449472 is 2749441491.

1941449472 is a `hidden beast` number, since 1 + 94 + 1 + 4 + 494 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (1941449473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18848973 + ... + 18849075.

Almost surely, 2^1941449472 is an apocalyptic number.

1941449472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1941449472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2962405992).

1941449472 is an abundant number, since it is smaller than the sum of its proper divisors (3983362512).

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

1941449472 is an equidigital number, since it uses as much as digits as its factorization.

1941449472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 209 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1941449472 is about 44061.8823020533. The cubic root of 1941449472 is about 1247.5042409592.

It can be divided in two parts, 19414 and 49472, that added together give a palindrome (68886).

The spelling of 1941449472 in words is "one billion, nine hundred forty-one million, four hundred forty-nine thousand, four hundred seventy-two".