269159979240 has 128 divisors (see below), whose sum is σ = 897598800000. Its totient is φ = 71744085504.

The previous prime is 269159979223. The next prime is 269159979271. The reversal of 269159979240 is 42979951962.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2426511 + ... + 2535009.

It is an arithmetic number, because the mean of its divisors is an integer number (7012490625).

Almost surely, 2^269159979240 is an apocalyptic number.

269159979240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269159979240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448799400000).

269159979240 is an abundant number, since it is smaller than the sum of its proper divisors (628438820760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

269159979240 is a wasteful number, since it uses less digits than its factorization.

269159979240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110816 (or 110806 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 269159979240 in words is "two hundred sixty-nine billion, one hundred fifty-nine million, nine hundred seventy-nine thousand, two hundred forty".