2180652530 has 64 divisors (see below), whose sum is σ = 4672124928. Its totient is φ = 717050880.

The previous prime is 2180652479. The next prime is 2180652557. The reversal of 2180652530 is 352560812.

2180652530 = T₁₇₀₄₄ + T₁₇₀₄₅ + ... + T₁₇₀₅₈.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240764 + ... + 249656.

It is an arithmetic number, because the mean of its divisors is an integer number (73001952).

Almost surely, 2^2180652530 is an apocalyptic number.

2180652530 is an abundant number, since it is smaller than the sum of its proper divisors (2491472398).

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

2180652530 is a wasteful number, since it uses less digits than its factorization.

2180652530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9051.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2180652530 is about 46697.4574254316. The cubic root of 2180652530 is about 1296.7676164476.

The spelling of 2180652530 in words is "two billion, one hundred eighty million, six hundred fifty-two thousand, five hundred thirty".