2180357352 has 56 divisors (see below), whose sum is σ = 6129467490. Its totient is φ = 726783840.

The previous prime is 2180357351. The next prime is 2180357353. The reversal of 2180357352 is 2537530812.

It is a happy number.

2180357352 is a `hidden beast` number, since 2 + 1 + 80 + 3 + 573 + 5 + 2 = 666.

2180357352 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2180357351) and next prime (2180357353).

It can be written as a sum of positive squares in only one way, i.e., 1592488836 + 587868516 = 39906^2 + 24246^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2180357351) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 181099 + ... + 192762.

Almost surely, 2^2180357352 is an apocalyptic number.

It is an amenable number.

2180357352 is an abundant number, since it is smaller than the sum of its proper divisors (3949110138).

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

2180357352 is an equidigital number, since it uses as much as digits as its factorization.

2180357352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373885 (or 373866 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2180357352 is about 46694.2967823695. The cubic root of 2180357352 is about 1296.7091026865.

The spelling of 2180357352 in words is "two billion, one hundred eighty million, three hundred fifty-seven thousand, three hundred fifty-two".