2042810771450 has 12 divisors (see below), whose sum is σ = 3799628034990. Its totient is φ = 817124308560.

The previous prime is 2042810771411. The next prime is 2042810771509. The reversal of 2042810771450 is 541770182402.

It can be written as a sum of positive squares in 3 ways, for example, as 976161784081 + 1066648987369 = 988009^2 + 1032787^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2042810771398 and 2042810771407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20428107665 + ... + 20428107764.

Almost surely, 2^{2042810771450} is an apocalyptic number.

2042810771450 is a deficient number, since it is larger than the sum of its proper divisors (1756817263540).

2042810771450 is a wasteful number, since it uses less digits than its factorization.

2042810771450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40856215441 (or 40856215436 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The spelling of 2042810771450 in words is "two trillion, forty-two billion, eight hundred ten million, seven hundred seventy-one thousand, four hundred fifty".