1240500066 has 32 divisors (see below), whose sum is σ = 2683654848. Its totient is φ = 380005440.

The previous prime is 1240500043. The next prime is 1240500083. The reversal of 1240500066 is 6600050421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17325 + ... + 52736.

It is an arithmetic number, because the mean of its divisors is an integer number (83864214).

Almost surely, 2^1240500066 is an apocalyptic number.

1240500066 is an abundant number, since it is smaller than the sum of its proper divisors (1443154782).

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

1240500066 is a wasteful number, since it uses less digits than its factorization.

1240500066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70306.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1240500066 is about 35220.7334676608. The cubic root of 1240500066 is about 1074.4814707843.

Adding to 1240500066 its reverse (6600050421), we get a palindrome (7840550487).

The spelling of 1240500066 in words is "one billion, two hundred forty million, five hundred thousand, sixty-six".