240998498239 has 4 divisors (see below), whose sum is σ = 241005082320. Its totient is φ = 240991914160.

The previous prime is 240998498227. The next prime is 240998498261. The reversal of 240998498239 is 932894899042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240998498239 is a prime.

It is a super-2 number, since 2×240998498239² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240998498269) 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, 3236827 + ... + 3310444.

It is an arithmetic number, because the mean of its divisors is an integer number (60251270580).

Almost surely, 2^240998498239 is an apocalyptic number.

240998498239 is a deficient number, since it is larger than the sum of its proper divisors (6584081).

240998498239 is an equidigital number, since it uses as much as digits as its factorization.

240998498239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6584080.

The product of its (nonzero) digits is 80621568, while the sum is 67.

The spelling of 240998498239 in words is "two hundred forty billion, nine hundred ninety-eight million, four hundred ninety-eight thousand, two hundred thirty-nine".