2052486640 has 20 divisors (see below), whose sum is σ = 4772031624. Its totient is φ = 820994624.

The previous prime is 2052486617. The next prime is 2052486661. The reversal of 2052486640 is 466842502.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 2052486640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12827962 + ... + 12828121.

Almost surely, 2^2052486640 is an apocalyptic number.

2052486640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052486640 is an abundant number, since it is smaller than the sum of its proper divisors (2719544984).

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

2052486640 is a wasteful number, since it uses less digits than its factorization.

2052486640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25656096 (or 25656090 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 2052486640 is about 45304.3777134175. The cubic root of 2052486640 is about 1270.8475215855.

The spelling of 2052486640 in words is "two billion, fifty-two million, four hundred eighty-six thousand, six hundred forty".