1982247744 has 28 divisors (see below), whose sum is σ = 5244697664. Its totient is φ = 660749184.

The previous prime is 1982247739. The next prime is 1982247779. The reversal of 1982247744 is 4477422891.

It is a super-2 number, since 2×1982247744² = 7858612237186179072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1982247693 and 1982247702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5161912 + ... + 5162295.

Almost surely, 2^1982247744 is an apocalyptic number.

It is an amenable number.

1982247744 is an abundant number, since it is smaller than the sum of its proper divisors (3262449920).

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

1982247744 is a wasteful number, since it uses less digits than its factorization.

1982247744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324222 (or 10324212 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 1982247744 is about 44522.4409034366. The cubic root of 1982247744 is about 1256.1822257142.

The spelling of 1982247744 in words is "one billion, nine hundred eighty-two million, two hundred forty-seven thousand, seven hundred forty-four".