4121997180 has 96 divisors (see below), whose sum is σ = 13884648960. Its totient is φ = 892581120.

The previous prime is 4121997169. The next prime is 4121997221. The reversal of 4121997180 is 817991214.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250291 + ... + 266250.

It is an arithmetic number, because the mean of its divisors is an integer number (144631760).

Almost surely, 2^4121997180 is an apocalyptic number.

It is an amenable number.

4121997180 is an abundant number, since it is smaller than the sum of its proper divisors (9762651780).

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

4121997180 is a wasteful number, since it uses less digits than its factorization.

4121997180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516579 (or 516577 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 4121997180 is about 64202.7817154366. The cubic root of 4121997180 is about 1603.3779130253.

The spelling of 4121997180 in words is "four billion, one hundred twenty-one million, nine hundred ninety-seven thousand, one hundred eighty".