1240073982 has 64 divisors (see below), whose sum is σ = 3153738240. Its totient is φ = 353818368.

The previous prime is 1240073971. The next prime is 1240073983. The reversal of 1240073982 is 2893700421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240073983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341038 + ... + 344654.

It is an arithmetic number, because the mean of its divisors is an integer number (49277160).

Almost surely, 2^1240073982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240073982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576869120).

1240073982 is an abundant number, since it is smaller than the sum of its proper divisors (1913664258).

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

1240073982 is a wasteful number, since it uses less digits than its factorization.

1240073982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1240073982 is about 35214.6841814604. The cubic root of 1240073982 is about 1074.3584365870.

The spelling of 1240073982 in words is "one billion, two hundred forty million, seventy-three thousand, nine hundred eighty-two".