1340263480 has 16 divisors (see below), whose sum is σ = 3015592920. Its totient is φ = 536105376.

The previous prime is 1340263423. The next prime is 1340263487. The reversal of 1340263480 is 843620431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340263487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16753254 + ... + 16753333.

Almost surely, 2^1340263480 is an apocalyptic number.

1340263480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340263480 is an abundant number, since it is smaller than the sum of its proper divisors (1675329440).

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

1340263480 is a wasteful number, since it uses less digits than its factorization.

1340263480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33506598 (or 33506594 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1340263480 is about 36609.6091211037. The cubic root of 1340263480 is about 1102.5460253683.

The spelling of 1340263480 in words is "one billion, three hundred forty million, two hundred sixty-three thousand, four hundred eighty".