1340040010 has 16 divisors (see below), whose sum is σ = 2412829800. Its totient is φ = 535847616.

The previous prime is 1340039963. The next prime is 1340040019. The reversal of 1340040010 is 100400431.

It can be written as a sum of positive squares in 4 ways, for example, as 295392969 + 1044647041 = 17187^2 + 32321^2 .

It is not an unprimeable number, because it can be changed into a prime (1340040019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15376 + ... + 54004.

Almost surely, 2^1340040010 is an apocalyptic number.

1340040010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340040010 is a deficient number, since it is larger than the sum of its proper divisors (1072789790).

1340040010 is a wasteful number, since it uses less digits than its factorization.

1340040010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42105.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1340040010 is about 36606.5569263213. The cubic root of 1340040010 is about 1102.4847439713.

Adding to 1340040010 its reverse (100400431), we get a palindrome (1440440441).

The spelling of 1340040010 in words is "one billion, three hundred forty million, forty thousand, ten".