2657205852 has 48 divisors (see below), whose sum is σ = 7330229760. Its totient is φ = 733021632.

The previous prime is 2657205829. The next prime is 2657205857. The reversal of 2657205852 is 2585027562.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2657205857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542968 + ... + 547839.

It is an arithmetic number, because the mean of its divisors is an integer number (152713120).

Almost surely, 2^2657205852 is an apocalyptic number.

It is an amenable number.

2657205852 is an abundant number, since it is smaller than the sum of its proper divisors (4673023908).

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

2657205852 is a wasteful number, since it uses less digits than its factorization.

2657205852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090850 (or 1090848 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 2657205852 is about 51548.0926126273. The cubic root of 2657205852 is about 1385.0806648444.

The spelling of 2657205852 in words is "two billion, six hundred fifty-seven million, two hundred five thousand, eight hundred fifty-two".