269861463648 has 480 divisors, whose sum is σ = 993539131200. Its totient is φ = 70063128576.

The previous prime is 269861463607. The next prime is 269861463659. The reversal of 269861463648 is 846364168962.

269861463648 is a `hidden beast` number, since 2 + 6 + 9 + 8 + 614 + 6 + 3 + 6 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8929908 + ... + 8960076.

It is an arithmetic number, because the mean of its divisors is an integer number (2069873190).

Almost surely, 2^269861463648 is an apocalyptic number.

269861463648 is a gapful number since it is divisible by the number (28) 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 269861463648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496769565600).

269861463648 is an abundant number, since it is smaller than the sum of its proper divisors (723677667552).

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

269861463648 is a wasteful number, since it uses less digits than its factorization.

269861463648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30244 (or 30227 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 63.

The spelling of 269861463648 in words is "two hundred sixty-nine billion, eight hundred sixty-one million, four hundred sixty-three thousand, six hundred forty-eight".