2105257750 has 32 divisors (see below), whose sum is σ = 4037185152. Its totient is φ = 821560000.

The previous prime is 2105257729. The next prime is 2105257751. The reversal of 2105257750 is 577525012.

It is a super-2 number, since 2×2105257750² = 8864220387870125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105257751) 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, 92446 + ... + 112945.

It is an arithmetic number, because the mean of its divisors is an integer number (126162036).

Almost surely, 2^2105257750 is an apocalyptic number.

2105257750 is a deficient number, since it is larger than the sum of its proper divisors (1931927402).

2105257750 is a wasteful number, since it uses less digits than its factorization.

2105257750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205449 (or 205439 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 2105257750 is about 45883.0878429079. The cubic root of 2105257750 is about 1281.6469989273.

The spelling of 2105257750 in words is "two billion, one hundred five million, two hundred fifty-seven thousand, seven hundred fifty".