240501399 has 4 divisors (see below), whose sum is σ = 320668536. Its totient is φ = 160334264.

The previous prime is 240501383. The next prime is 240501419. The reversal of 240501399 is 993105042.

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

It is a cyclic number.

It is not a de Polignac number, because 240501399 - 2⁴ = 240501383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240501319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40083564 + ... + 40083569.

It is an arithmetic number, because the mean of its divisors is an integer number (80167134).

Almost surely, 2^240501399 is an apocalyptic number.

240501399 is a deficient number, since it is larger than the sum of its proper divisors (80167137).

240501399 is an equidigital number, since it uses as much as digits as its factorization.

240501399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80167136.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 240501399 is about 15508.1075247755. The cubic root of 240501399 is about 621.8789677415.

The spelling of 240501399 in words is "two hundred forty million, five hundred one thousand, three hundred ninety-nine".