340001540 has 12 divisors (see below), whose sum is σ = 714003276. Its totient is φ = 136000608.

The previous prime is 340001533. The next prime is 340001569. The reversal of 340001540 is 45100043.

It can be written as a sum of positive squares in 2 ways, for example, as 41886784 + 298114756 = 6472^2 + 17266^2 .

340001540 is a modest number, since divided by 1540 gives 340 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8500019 + ... + 8500058.

It is an arithmetic number, because the mean of its divisors is an integer number (59500273).

Almost surely, 2^340001540 is an apocalyptic number.

It is an amenable number.

340001540 is an abundant number, since it is smaller than the sum of its proper divisors (374001736).

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

340001540 is a wasteful number, since it uses less digits than its factorization.

340001540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000086 (or 17000084 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 340001540 is about 18439.1306736516. The cubic root of 340001540 is about 697.9542584618.

Adding to 340001540 its reverse (45100043), we get a palindrome (385101583).

The spelling of 340001540 in words is "three hundred forty million, one thousand, five hundred forty".