2657142852 has 96 divisors (see below), whose sum is σ = 7642005504. Its totient is φ = 699753600.

The previous prime is 2657142847. The next prime is 2657142881. The reversal of 2657142852 is 2582417562.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 993477 + ... + 996147.

It is an arithmetic number, because the mean of its divisors is an integer number (79604224).

Almost surely, 2^2657142852 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 2657142852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3821002752).

2657142852 is an abundant number, since it is smaller than the sum of its proper divisors (4984862652).

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

2657142852 is a wasteful number, since it uses less digits than its factorization.

2657142852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3607 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 2657142852 is about 51547.4815291688. The cubic root of 2657142852 is about 1385.0697184122.

The spelling of 2657142852 in words is "two billion, six hundred fifty-seven million, one hundred forty-two thousand, eight hundred fifty-two".