1709340540 has 48 divisors (see below), whose sum is σ = 4808872320. Its totient is φ = 453660480.

The previous prime is 1709340511. The next prime is 1709340547. The reversal of 1709340540 is 450439071.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1709340547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54850 + ... + 80169.

It is an arithmetic number, because the mean of its divisors is an integer number (100184840).

Almost surely, 2^1709340540 is an apocalyptic number.

1709340540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1709340540 is an abundant number, since it is smaller than the sum of its proper divisors (3099531780).

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

1709340540 is a wasteful number, since it uses less digits than its factorization.

1709340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135242 (or 135240 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1709340540 is about 41344.1717778939. The cubic root of 1709340540 is about 1195.6650395105.

The spelling of 1709340540 in words is "one billion, seven hundred nine million, three hundred forty thousand, five hundred forty".