240830465 has 4 divisors (see below), whose sum is σ = 288996564. Its totient is φ = 192664368.

The previous prime is 240830461. The next prime is 240830479. The reversal of 240830465 is 564038042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37368769 + 203461696 = 6113^2 + 14264^2 .

It is a cyclic number.

It is not a de Polignac number, because 240830465 - 2² = 240830461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240830461) 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 3 ways as a sum of consecutive naturals, for example, 24083042 + ... + 24083051.

It is an arithmetic number, because the mean of its divisors is an integer number (72249141).

Almost surely, 2^240830465 is an apocalyptic number.

It is an amenable number.

240830465 is a deficient number, since it is larger than the sum of its proper divisors (48166099).

240830465 is an equidigital number, since it uses as much as digits as its factorization.

240830465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48166098.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 240830465 is about 15518.7133809475. The cubic root of 240830465 is about 622.1624670802.

The spelling of 240830465 in words is "two hundred forty million, eight hundred thirty thousand, four hundred sixty-five".