1340616504 has 64 divisors (see below), whose sum is σ = 3441335040. Its totient is φ = 434972160.

The previous prime is 1340616493. The next prime is 1340616539. The reversal of 1340616504 is 4056160431.

It is a super-2 number, since 2×1340616504² = 3594505221594364032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318864 + ... + 323040.

It is an arithmetic number, because the mean of its divisors is an integer number (53770860).

Almost surely, 2^1340616504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340616504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720667520).

1340616504 is an abundant number, since it is smaller than the sum of its proper divisors (2100718536).

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

1340616504 is a wasteful number, since it uses less digits than its factorization.

1340616504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1340616504 is about 36614.4302700452. The cubic root of 1340616504 is about 1102.6428200272.

Adding to 1340616504 its reverse (4056160431), we get a palindrome (5396776935).

The spelling of 1340616504 in words is "one billion, three hundred forty million, six hundred sixteen thousand, five hundred four".