2352644529820 has 48 divisors (see below), whose sum is σ = 5400008012448. Its totient is φ = 855703537920.

The previous prime is 2352644529797. The next prime is 2352644529881. The reversal of 2352644529820 is 289254462532.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67509691 + ... + 67544530.

It is an arithmetic number, because the mean of its divisors is an integer number (112500166926).

Almost surely, 2^{2352644529820} is an apocalyptic number.

2352644529820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2352644529820 is an abundant number, since it is smaller than the sum of its proper divisors (3047363482628).

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

2352644529820 is a wasteful number, since it uses less digits than its factorization.

2352644529820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135054310 (or 135054308 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 2352644529820 in words is "two trillion, three hundred fifty-two billion, six hundred forty-four million, five hundred twenty-nine thousand, eight hundred twenty".