2057703472340 has 48 divisors (see below), whose sum is σ = 4324679493120. Its totient is φ = 822414614400.

The previous prime is 2057703472277. The next prime is 2057703472343. The reversal of 2057703472340 is 432743077502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2057703472291 and 2057703472300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057703472343) 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, 146438315 + ... + 146452365.

It is an arithmetic number, because the mean of its divisors is an integer number (90097489440).

Almost surely, 2^{2057703472340} is an apocalyptic number.

2057703472340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057703472340 is an abundant number, since it is smaller than the sum of its proper divisors (2266976020780).

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

2057703472340 is a wasteful number, since it uses less digits than its factorization.

2057703472340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19472 (or 19470 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 44.

The spelling of 2057703472340 in words is "two trillion, fifty-seven billion, seven hundred three million, four hundred seventy-two thousand, three hundred forty".