1340793460 has 24 divisors (see below), whose sum is σ = 2841985440. Its totient is φ = 531304224.

The previous prime is 1340793437. The next prime is 1340793469. The reversal of 1340793460 is 643970431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340793469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311130 + ... + 315409.

It is an arithmetic number, because the mean of its divisors is an integer number (118416060).

Almost surely, 2^1340793460 is an apocalyptic number.

1340793460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340793460 is an abundant number, since it is smaller than the sum of its proper divisors (1501191980).

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

1340793460 is a wasteful number, since it uses less digits than its factorization.

1340793460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626655 (or 626653 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 1340793460 is about 36616.8466692587. The cubic root of 1340793460 is about 1102.6913327023.

The spelling of 1340793460 in words is "one billion, three hundred forty million, seven hundred ninety-three thousand, four hundred sixty".