2679491568 has 160 divisors (see below), whose sum is σ = 7894216960. Its totient is φ = 776355840.

The previous prime is 2679491561. The next prime is 2679491599. The reversal of 2679491568 is 8651949762.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679491561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2287623 + ... + 2288793.

It is an arithmetic number, because the mean of its divisors is an integer number (49338856).

Almost surely, 2^2679491568 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 2679491568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3947108480).

2679491568 is an abundant number, since it is smaller than the sum of its proper divisors (5214725392).

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

2679491568 is a wasteful number, since it uses less digits than its factorization.

2679491568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1401 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The square root of 2679491568 is about 51763.8055788019. The cubic root of 2679491568 is about 1388.9420668402.

The spelling of 2679491568 in words is "two billion, six hundred seventy-nine million, four hundred ninety-one thousand, five hundred sixty-eight".