1982527740 has 36 divisors (see below), whose sum is σ = 6013668024. Its totient is φ = 528674016.

The previous prime is 1982527691. The next prime is 1982527753. The reversal of 1982527740 is 477252891.

It is a happy number.

1982527740 is a `hidden beast` number, since 1 + 9 + 82 + 527 + 7 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5506842 + ... + 5507201.

It is an arithmetic number, because the mean of its divisors is an integer number (167046334).

Almost surely, 2^1982527740 is an apocalyptic number.

1982527740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982527740 is an abundant number, since it is smaller than the sum of its proper divisors (4031140284).

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

1982527740 is a wasteful number, since it uses less digits than its factorization.

1982527740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11014058 (or 11014053 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1982527740 is about 44525.5852291691. The cubic root of 1982527740 is about 1256.2413689167.

The spelling of 1982527740 in words is "one billion, nine hundred eighty-two million, five hundred twenty-seven thousand, seven hundred forty".