3520998180 has 384 divisors, whose sum is σ = 13378176000. Its totient is φ = 750477312.

The previous prime is 3520998179. The next prime is 3520998209. The reversal of 3520998180 is 818990253.

It is a happy number.

3520998180 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 a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10088646 + ... + 10088994.

It is an arithmetic number, because the mean of its divisors is an integer number (34839000).

Almost surely, 2^3520998180 is an apocalyptic number.

3520998180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3520998180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6689088000).

3520998180 is an abundant number, since it is smaller than the sum of its proper divisors (9857177820).

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

3520998180 is a wasteful number, since it uses less digits than its factorization.

3520998180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 3520998180 is about 59337.9994607166. Note that the first 3 decimals coincide. The cubic root of 3520998180 is about 1521.3247597714.

The spelling of 3520998180 in words is "three billion, five hundred twenty million, nine hundred ninety-eight thousand, one hundred eighty".