1340460790 has 32 divisors (see below), whose sum is σ = 2507954400. Its totient is φ = 515395584.

The previous prime is 1340460749. The next prime is 1340460809. The reversal of 1340460790 is 970640431.

It is a happy number.

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, 8886 + ... + 52534.

It is an arithmetic number, because the mean of its divisors is an integer number (78373575).

Almost surely, 2^1340460790 is an apocalyptic number.

1340460790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340460790 is a deficient number, since it is larger than the sum of its proper divisors (1167493610).

1340460790 is a wasteful number, since it uses less digits than its factorization.

1340460790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43776.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1340460790 is about 36612.3038062343. The cubic root of 1340460790 is about 1102.6001273378.

The spelling of 1340460790 in words is "one billion, three hundred forty million, four hundred sixty thousand, seven hundred ninety".