2052439886 has 32 divisors (see below), whose sum is σ = 3729758400. Its totient is φ = 826914816.

The previous prime is 2052439871. The next prime is 2052439889. The reversal of 2052439886 is 6889342502.

It is a self number, because there is not a number n which added to its sum of digits gives 2052439886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052439889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222290 + ... + 231338.

It is an arithmetic number, because the mean of its divisors is an integer number (116554950).

Almost surely, 2^2052439886 is an apocalyptic number.

2052439886 is a deficient number, since it is larger than the sum of its proper divisors (1677318514).

2052439886 is a wasteful number, since it uses less digits than its factorization.

2052439886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 2052439886 is about 45303.8617117791. The cubic root of 2052439886 is about 1270.8378718830.

The spelling of 2052439886 in words is "two billion, fifty-two million, four hundred thirty-nine thousand, eight hundred eighty-six".