2669842512 has 240 divisors, whose sum is σ = 8126712000. Its totient is φ = 838874880.

The previous prime is 2669842501. The next prime is 2669842517. The reversal of 2669842512 is 2152489662.

2669842512 is a `hidden beast` number, since 2 + 6 + 6 + 98 + 42 + 512 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669842517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24493914 + ... + 24494022.

It is an arithmetic number, because the mean of its divisors is an integer number (33861300).

Almost surely, 2^2669842512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2669842512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4063356000).

2669842512 is an abundant number, since it is smaller than the sum of its proper divisors (5456869488).

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

2669842512 is a wasteful number, since it uses less digits than its factorization.

2669842512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 204 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2669842512 is about 51670.5187897315. The cubic root of 2669842512 is about 1387.2728323489.

The spelling of 2669842512 in words is "two billion, six hundred sixty-nine million, eight hundred forty-two thousand, five hundred twelve".