2055639466 has 16 divisors (see below), whose sum is σ = 3118821768. Its totient is φ = 1016064000.

The previous prime is 2055639463. The next prime is 2055639533. The reversal of 2055639466 is 6649365502.

It can be written as a sum of positive squares in 4 ways, for example, as 1823717025 + 231922441 = 42705^2 + 15229^2 .

It is a super-2 number, since 2×2055639466² = 8451307228353530312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2055639461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128386 + ... + 143506.

Almost surely, 2^2055639466 is an apocalyptic number.

2055639466 is a deficient number, since it is larger than the sum of its proper divisors (1063182302).

2055639466 is a wasteful number, since it uses less digits than its factorization.

2055639466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15897.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The square root of 2055639466 is about 45339.1604024600. The cubic root of 2055639466 is about 1271.4979052360.

The spelling of 2055639466 in words is "two billion, fifty-five million, six hundred thirty-nine thousand, four hundred sixty-six".