340045090 has 96 divisors (see below), whose sum is σ = 809746560. Its totient is φ = 100362240.

The previous prime is 340045081. The next prime is 340045091. The reversal of 340045090 is 90540043.

It is not an unprimeable number, because it can be changed into a prime (340045091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159874 + ... + 161986.

It is an arithmetic number, because the mean of its divisors is an integer number (8434860).

Almost surely, 2^340045090 is an apocalyptic number.

340045090 is an abundant number, since it is smaller than the sum of its proper divisors (469701470).

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

340045090 is a wasteful number, since it uses less digits than its factorization.

340045090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 340045090 is about 18440.3115483443. The cubic root of 340045090 is about 697.9840569643.

The spelling of 340045090 in words is "three hundred forty million, forty-five thousand, ninety".