1240340000 has 60 divisors (see below), whose sum is σ = 3051471654. Its totient is φ = 496128000.

The previous prime is 1240339963. The next prime is 1240340029. The reversal of 1240340000 is 430421.

It can be written as a sum of positive squares in 5 ways, for example, as 270142096 + 970197904 = 16436^2 + 31148^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11009 + ... + 51008.

Almost surely, 2^1240340000 is an apocalyptic number.

1240340000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240340000 is an abundant number, since it is smaller than the sum of its proper divisors (1811131654).

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

1240340000 is an frugal number, since it uses more digits than its factorization.

1240340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62047 (or 62024 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1240340000 is about 35218.4610680251. The cubic root of 1240340000 is about 1074.4352541137.

Adding to 1240340000 its reverse (430421), we get a palindrome (1240770421).

The spelling of 1240340000 in words is "one billion, two hundred forty million, three hundred forty thousand".