240140890 has 32 divisors (see below), whose sum is σ = 472189824. Its totient is φ = 87205440.

The previous prime is 240140881. The next prime is 240140899. The reversal of 240140890 is 98041042.

It is an interprime number because it is at equal distance from previous prime (240140881) and next prime (240140899).

It is not an unprimeable number, because it can be changed into a prime (240140899) 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 15 ways as a sum of consecutive naturals, for example, 149572 + ... + 151168.

It is an arithmetic number, because the mean of its divisors is an integer number (14755932).

Almost surely, 2^240140890 is an apocalyptic number.

240140890 is a deficient number, since it is larger than the sum of its proper divisors (232048934).

240140890 is a wasteful number, since it uses less digits than its factorization.

240140890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 240140890 is about 15496.4799228728. The cubic root of 240140890 is about 621.5680823994.

The spelling of 240140890 in words is "two hundred forty million, one hundred forty thousand, eight hundred ninety".