1340650455 has 16 divisors (see below), whose sum is σ = 2148197760. Its totient is φ = 713961248.

The previous prime is 1340650439. The next prime is 1340650511. The reversal of 1340650455 is 5540560431.

It is a cyclic number.

It is not a de Polignac number, because 1340650455 - 2⁴ = 1340650439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55185 + ... + 75674.

It is an arithmetic number, because the mean of its divisors is an integer number (134262360).

Almost surely, 2^1340650455 is an apocalyptic number.

1340650455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340650455 is a deficient number, since it is larger than the sum of its proper divisors (807547305).

1340650455 is a wasteful number, since it uses less digits than its factorization.

1340650455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131550.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 1340650455 is about 36614.8938957905. The cubic root of 1340650455 is about 1102.6521280608.

The spelling of 1340650455 in words is "one billion, three hundred forty million, six hundred fifty thousand, four hundred fifty-five".