2642831334 has 128 divisors (see below), whose sum is σ = 7263244800. Its totient is φ = 700306560.

The previous prime is 2642831329. The next prime is 2642831357. The reversal of 2642831334 is 4331382462.

2642831334 is a `hidden beast` number, since 2 + 642 + 8 + 3 + 1 + 3 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 137712 + ... + 155724.

It is an arithmetic number, because the mean of its divisors is an integer number (56744100).

Almost surely, 2^2642831334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2642831334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3631622400).

2642831334 is an abundant number, since it is smaller than the sum of its proper divisors (4620413466).

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

2642831334 is a wasteful number, since it uses less digits than its factorization.

2642831334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18067 (or 18061 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 2642831334 is about 51408.4753129287. The cubic root of 2642831334 is about 1382.5785532202.

The spelling of 2642831334 in words is "two billion, six hundred forty-two million, eight hundred thirty-one thousand, three hundred thirty-four".