4146556780 has 24 divisors (see below), whose sum is σ = 8735781600. Its totient is φ = 1653287040.

The previous prime is 4146556753. The next prime is 4146556783. The reversal of 4146556780 is 876556414.

It is a self number, because there is not a number n which added to its sum of digits gives 4146556780.

It is not an unprimeable number, because it can be changed into a prime (4146556783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327105 + ... + 339544.

It is an arithmetic number, because the mean of its divisors is an integer number (363990900).

Almost surely, 2^4146556780 is an apocalyptic number.

It is an amenable number.

4146556780 is an abundant number, since it is smaller than the sum of its proper divisors (4589224820).

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

4146556780 is a wasteful number, since it uses less digits than its factorization.

4146556780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666969 (or 666967 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 4146556780 is about 64393.7635179060. The cubic root of 4146556780 is about 1606.5560140465.

The spelling of 4146556780 in words is "four billion, one hundred forty-six million, five hundred fifty-six thousand, seven hundred eighty".