240669020519 has 16 divisors (see below), whose sum is σ = 263393454240. Its totient is φ = 219022402560.

The previous prime is 240669020509. The next prime is 240669020539. The reversal of 240669020519 is 915020966042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240669020519 is a prime.

It is a super-2 number, since 2×240669020519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240669020519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240669020509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905614 + ... + 2027979.

It is an arithmetic number, because the mean of its divisors is an integer number (16462090890).

Almost surely, 2^240669020519 is an apocalyptic number.

240669020519 is a deficient number, since it is larger than the sum of its proper divisors (22724433721).

240669020519 is a wasteful number, since it uses less digits than its factorization.

240669020519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933730.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 240669020519 in words is "two hundred forty billion, six hundred sixty-nine million, twenty thousand, five hundred nineteen".