1441731720 has 128 divisors (see below), whose sum is σ = 5081408640. Its totient is φ = 322621440.

The previous prime is 1441731719. The next prime is 1441731743. The reversal of 1441731720 is 271371441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24849 + ... + 59168.

It is an arithmetic number, because the mean of its divisors is an integer number (39698505).

Almost surely, 2^1441731720 is an apocalyptic number.

1441731720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441731720 is an abundant number, since it is smaller than the sum of its proper divisors (3639676920).

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

1441731720 is a wasteful number, since it uses less digits than its factorization.

1441731720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84055 (or 84051 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 1441731720 is about 37970.1424806387. The cubic root of 1441731720 is about 1129.6957230185.

It can be divided in two parts, 1441731 and 720, that added together give a triangular number (1442451 = T₁₆₉₈).

The spelling of 1441731720 in words is "one billion, four hundred forty-one million, seven hundred thirty-one thousand, seven hundred twenty".