4028511127836 has 192 divisors, whose sum is σ = 10637672113152. Its totient is φ = 1177296519168.

The previous prime is 4028511127819. The next prime is 4028511127843. The reversal of 4028511127836 is 6387211158204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 389863326 + ... + 389873658.

It is an arithmetic number, because the mean of its divisors is an integer number (55404542256).

Almost surely, 2^{4028511127836} is an apocalyptic number.

4028511127836 is a gapful number since it is divisible by the number (46) 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 4028511127836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5318836056576).

4028511127836 is an abundant number, since it is smaller than the sum of its proper divisors (6609160985316).

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

4028511127836 is a wasteful number, since it uses less digits than its factorization.

4028511127836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132 (or 11130 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 4028511127836 in words is "four trillion, twenty-eight billion, five hundred eleven million, one hundred twenty-seven thousand, eight hundred thirty-six".