269399499680 has 96 divisors (see below), whose sum is σ = 661525885440. Its totient is φ = 103550469120.

The previous prime is 269399499667. The next prime is 269399499713. The reversal of 269399499680 is 86994993962.

It is a junction number, because it is equal to n+sod(n) for n = 269399499598 and 269399499607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841457 + ... + 1116623.

It is an arithmetic number, because the mean of its divisors is an integer number (6890894640).

Almost surely, 2^269399499680 is an apocalyptic number.

269399499680 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 269399499680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330762942720).

269399499680 is an abundant number, since it is smaller than the sum of its proper divisors (392126385760).

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

269399499680 is a wasteful number, since it uses less digits than its factorization.

269399499680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275422 (or 275414 counting only the distinct ones).

The product of its (nonzero) digits is 408146688, while the sum is 74.

The spelling of 269399499680 in words is "two hundred sixty-nine billion, three hundred ninety-nine million, four hundred ninety-nine thousand, six hundred eighty".