2057417787140 has 24 divisors (see below), whose sum is σ = 4363355350872. Its totient is φ = 814818924800.

The previous prime is 2057417787109. The next prime is 2057417787197. The reversal of 2057417787140 is 417877147502.

It can be written as a sum of positive squares in 4 ways, for example, as 1360633597444 + 696784189696 = 1166462^2 + 834736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509259809 + ... + 509263848.

It is an arithmetic number, because the mean of its divisors is an integer number (181806472953).

Almost surely, 2^{2057417787140} is an apocalyptic number.

2057417787140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057417787140 is an abundant number, since it is smaller than the sum of its proper divisors (2305937563732).

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

2057417787140 is a wasteful number, since it uses less digits than its factorization.

2057417787140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018523767 (or 1018523765 counting only the distinct ones).

The product of its (nonzero) digits is 3073280, while the sum is 53.

The spelling of 2057417787140 in words is "two trillion, fifty-seven billion, four hundred seventeen million, seven hundred eighty-seven thousand, one hundred forty".