4155988980 has 192 divisors, whose sum is σ = 14475863808. Its totient is φ = 875274240.

The previous prime is 4155988973. The next prime is 4155988981. The reversal of 4155988980 is 898895514.

It is a super-5 number, since 5×4155988980⁵ (a number of 49 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4155988980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155988981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131614 + ... + 160106.

It is an arithmetic number, because the mean of its divisors is an integer number (75395124).

Almost surely, 2^4155988980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155988980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7237931904).

4155988980 is an abundant number, since it is smaller than the sum of its proper divisors (10319874828).

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

4155988980 is a wasteful number, since it uses less digits than its factorization.

4155988980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28546 (or 28544 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 57.

The square root of 4155988980 is about 64466.9603750634. The cubic root of 4155988980 is about 1607.7732394155.

The spelling of 4155988980 in words is "four billion, one hundred fifty-five million, nine hundred eighty-eight thousand, nine hundred eighty".