1340463056 has 40 divisors (see below), whose sum is σ = 2844762120. Its totient is φ = 609050624.

The previous prime is 1340463043. The next prime is 1340463071. The reversal of 1340463056 is 6503640431.

It can be written as a sum of positive squares in 4 ways, for example, as 334304656 + 1006158400 = 18284^2 + 31720^2 .

It is a congruent number.

It is an unprimeable number.

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, 77081 + ... + 92856.

It is an arithmetic number, because the mean of its divisors is an integer number (71119053).

Almost surely, 2^1340463056 is an apocalyptic number.

1340463056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1340463056 is an abundant number, since it is smaller than the sum of its proper divisors (1504299064).

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

1340463056 is a wasteful number, since it uses less digits than its factorization.

1340463056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169991 (or 169985 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1340463056 is about 36612.3347521023. The cubic root of 1340463056 is about 1102.6007486392.

The spelling of 1340463056 in words is "one billion, three hundred forty million, four hundred sixty-three thousand, fifty-six".