2057447251770 has 64 divisors (see below), whose sum is σ = 4989171269376. Its totient is φ = 542953728000.

The previous prime is 2057447251711. The next prime is 2057447251799. The reversal of 2057447251770 is 771527447502.

It is a Curzon number.

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, 57457512 + ... + 57493308.

It is an arithmetic number, because the mean of its divisors is an integer number (77955801084).

Almost surely, 2^{2057447251770} is an apocalyptic number.

2057447251770 is an abundant number, since it is smaller than the sum of its proper divisors (2931724017606).

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

2057447251770 is a wasteful number, since it uses less digits than its factorization.

2057447251770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55655.

The product of its (nonzero) digits is 3841600, while the sum is 51.

The spelling of 2057447251770 in words is "two trillion, fifty-seven billion, four hundred forty-seven million, two hundred fifty-one thousand, seven hundred seventy".