1857146268020 has 12 divisors (see below), whose sum is σ = 3900007162884. Its totient is φ = 742858507200.

The previous prime is 1857146268017. The next prime is 1857146268031. The reversal of 1857146268020 is 208626417581.

It can be written as a sum of positive squares in 2 ways, for example, as 192205081744 + 1664941186276 = 438412^2 + 1290326^2 .

It is a super-2 number, since 2×1857146268020² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1857146268020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46428656681 + ... + 46428656720.

It is an arithmetic number, because the mean of its divisors is an integer number (325000596907).

Almost surely, 2^{1857146268020} is an apocalyptic number.

1857146268020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1857146268020 is an abundant number, since it is smaller than the sum of its proper divisors (2042860894864).

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

1857146268020 is a wasteful number, since it uses less digits than its factorization.

1857146268020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92857313410 (or 92857313408 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 1857146268020 in words is "one trillion, eight hundred fifty-seven billion, one hundred forty-six million, two hundred sixty-eight thousand, twenty".