4128513942 has 32 divisors (see below), whose sum is σ = 9666768384. Its totient is φ = 1150804800.

The previous prime is 4128513941. The next prime is 4128513953. The reversal of 4128513942 is 2493158214.

It is a self number, because there is not a number n which added to its sum of digits gives 4128513942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128513941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197034 + ... + 1200477.

It is an arithmetic number, because the mean of its divisors is an integer number (302086512).

Almost surely, 2^4128513942 is an apocalyptic number.

4128513942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4128513942 is an abundant number, since it is smaller than the sum of its proper divisors (5538254442).

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

4128513942 is a wasteful number, since it uses less digits than its factorization.

4128513942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397564.

The product of its digits is 69120, while the sum is 39.

The square root of 4128513942 is about 64253.5130712711. The cubic root of 4128513942 is about 1604.2224333062. Note that the first 3 decimals are identical.

The spelling of 4128513942 in words is "four billion, one hundred twenty-eight million, five hundred thirteen thousand, nine hundred forty-two".