1441191420 has 144 divisors (see below), whose sum is σ = 4732751520. Its totient is φ = 364041216.

The previous prime is 1441191419. The next prime is 1441191487. The reversal of 1441191420 is 241911441.

1441191420 is a `hidden beast` number, since 14 + 41 + 191 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191244 + ... + 198636.

It is an arithmetic number, because the mean of its divisors is an integer number (32866330).

Almost surely, 2^1441191420 is an apocalyptic number.

1441191420 is a gapful number since it is divisible by the number (10) 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 1441191420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2366375760).

1441191420 is an abundant number, since it is smaller than the sum of its proper divisors (3291560100).

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

1441191420 is a wasteful number, since it uses less digits than its factorization.

1441191420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449 (or 7422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1441191420 is about 37963.0270131348. The cubic root of 1441191420 is about 1129.5545846790.

The spelling of 1441191420 in words is "one billion, four hundred forty-one million, one hundred ninety-one thousand, four hundred twenty".