3980655180 has 36 divisors (see below), whose sum is σ = 12074654592. Its totient is φ = 1061508000.

The previous prime is 3980655157. The next prime is 3980655187. The reversal of 3980655180 is 815560893.

3980655180 is a `hidden beast` number, since 3 + 98 + 0 + 6 + 551 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3980655187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11057196 + ... + 11057555.

It is an arithmetic number, because the mean of its divisors is an integer number (335407072).

Almost surely, 2^3980655180 is an apocalyptic number.

3980655180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3980655180 is an abundant number, since it is smaller than the sum of its proper divisors (8093999412).

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

3980655180 is a wasteful number, since it uses less digits than its factorization.

3980655180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22114766 (or 22114761 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 3980655180 is about 63092.4336192542. The cubic root of 3980655180 is about 1584.8379165992.

The spelling of 3980655180 in words is "three billion, nine hundred eighty million, six hundred fifty-five thousand, one hundred eighty".