4139428680 has 192 divisors, whose sum is σ = 14522976000. Its totient is φ = 1019386368.

The previous prime is 4139428679. The next prime is 4139428693. The reversal of 4139428680 is 868249314.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 231501 + ... + 248739.

It is an arithmetic number, because the mean of its divisors is an integer number (75640500).

Almost surely, 2^4139428680 is an apocalyptic number.

4139428680 is a gapful number since it is divisible by the number (40) 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 4139428680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7261488000).

4139428680 is an abundant number, since it is smaller than the sum of its proper divisors (10383547320).

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

4139428680 is a wasteful number, since it uses less digits than its factorization.

4139428680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308 (or 17301 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 4139428680 is about 64338.3919600109. The cubic root of 4139428680 is about 1605.6349076297.

The spelling of 4139428680 in words is "four billion, one hundred thirty-nine million, four hundred twenty-eight thousand, six hundred eighty".