1240240000 has 160 divisors (see below), whose sum is σ = 3178513800. Its totient is φ = 481536000.

The previous prime is 1240239937. The next prime is 1240240007. The reversal of 1240240000 is 420421.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240240007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2959791 + ... + 2960209.

Almost surely, 2^1240240000 is an apocalyptic number.

1240240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589256900).

1240240000 is an abundant number, since it is smaller than the sum of its proper divisors (1938273800).

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

1240240000 is an frugal number, since it uses more digits than its factorization.

1240240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1240240000 is about 35217.0413294473. The cubic root of 1240240000 is about 1074.4063785868.

Adding to 1240240000 its reverse (420421), we get a palindrome (1240660421).

The spelling of 1240240000 in words is "one billion, two hundred forty million, two hundred forty thousand".