1340250210 has 96 divisors (see below), whose sum is σ = 3760546608. Its totient is φ = 329218560.

The previous prime is 1340250193. The next prime is 1340250211. The reversal of 1340250210 is 120520431.

1340250210 is a `hidden beast` number, since 1 + 3 + 402 + 50 + 210 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 488719449 + 851530761 = 22107^2 + 29181^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1340250211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 772504 + ... + 774236.

Almost surely, 2^1340250210 is an apocalyptic number.

1340250210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340250210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880273304).

1340250210 is an abundant number, since it is smaller than the sum of its proper divisors (2420296398).

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

1340250210 is a wasteful number, since it uses less digits than its factorization.

1340250210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1340250210 is about 36609.4278840847. The cubic root of 1340250210 is about 1102.5423865728.

Adding to 1340250210 its reverse (120520431), we get a palindrome (1460770641).

The spelling of 1340250210 in words is "one billion, three hundred forty million, two hundred fifty thousand, two hundred ten".