269434282140 has 144 divisors (see below), whose sum is σ = 866824646688. Its totient is φ = 67508232192.

The previous prime is 269434282133. The next prime is 269434282163. The reversal of 269434282140 is 41282434962.

269434282140 is a `hidden beast` number, since 2 + 6 + 9 + 4 + 3 + 428 + 214 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1740339 + ... + 1888821.

It is an arithmetic number, because the mean of its divisors is an integer number (6019615602).

Almost surely, 2^269434282140 is an apocalyptic number.

269434282140 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 269434282140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433412323344).

269434282140 is an abundant number, since it is smaller than the sum of its proper divisors (597390364548).

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

269434282140 is a wasteful number, since it uses less digits than its factorization.

269434282140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149108 (or 149103 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 269434282140 in words is "two hundred sixty-nine billion, four hundred thirty-four million, two hundred eighty-two thousand, one hundred forty".