1240283984 has 10 divisors (see below), whose sum is σ = 2403050250. Its totient is φ = 620141984.

The previous prime is 1240283971. The next prime is 1240283999. The reversal of 1240283984 is 4893820421.

It can be written as a sum of positive squares in only one way, i.e., 1038643984 + 201640000 = 32228^2 + 14200^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38758859 + ... + 38758890.

It is an arithmetic number, because the mean of its divisors is an integer number (240305025).

Almost surely, 2^1240283984 is an apocalyptic number.

It is an amenable number.

1240283984 is a deficient number, since it is larger than the sum of its proper divisors (1162766266).

1240283984 is an equidigital number, since it uses as much as digits as its factorization.

1240283984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77517757 (or 77517751 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1240283984 is about 35217.6657943141. The cubic root of 1240283984 is about 1074.4190793897.

The spelling of 1240283984 in words is "one billion, two hundred forty million, two hundred eighty-three thousand, nine hundred eighty-four".