2855438311466 has 32 divisors (see below), whose sum is σ = 5015961372240. Its totient is φ = 1206847835136.

The previous prime is 2855438311447. The next prime is 2855438311493. The reversal of 2855438311466 is 6641138345582.

It can be written as a sum of positive squares in 8 ways, for example, as 940754505625 + 1914683805841 = 969925^2 + 1383721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87284561 + ... + 87317268.

Almost surely, 2^{2855438311466} is an apocalyptic number.

2855438311466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2855438311466 is a deficient number, since it is larger than the sum of its proper divisors (2160523060774).

2855438311466 is a wasteful number, since it uses less digits than its factorization.

2855438311466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174601898.

The product of its digits is 16588800, while the sum is 56.

The spelling of 2855438311466 in words is "two trillion, eight hundred fifty-five billion, four hundred thirty-eight million, three hundred eleven thousand, four hundred sixty-six".