1341245440 has 48 divisors (see below), whose sum is σ = 3218227740. Its totient is φ = 536494080.

The previous prime is 1341245419. The next prime is 1341245461. The reversal of 1341245440 is 445421431.

It is an interprime number because it is at equal distance from previous prime (1341245419) and next prime (1341245461).

It can be written as a sum of positive squares in 2 ways, for example, as 1131111424 + 210134016 = 33632^2 + 14496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1341245399 and 1341245408.

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 3 ways as a sum of consecutive naturals, for example, 55251 + ... + 75730.

Almost surely, 2^1341245440 is an apocalyptic number.

1341245440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341245440 is an abundant number, since it is smaller than the sum of its proper divisors (1876982300).

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

1341245440 is an equidigital number, since it uses as much as digits as its factorization.

1341245440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131008 (or 130988 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1341245440 is about 36623.0178985839. The cubic root of 1341245440 is about 1102.8152241271.

Adding to 1341245440 its reverse (445421431), we get a palindrome (1786666871).

The spelling of 1341245440 in words is "one billion, three hundred forty-one million, two hundred forty-five thousand, four hundred forty".