4028757971730 has 32 divisors (see below), whose sum is σ = 9688395960000. Its totient is φ = 1072182478272.

The previous prime is 4028757971683. The next prime is 4028757971747. The reversal of 4028757971730 is 371797578204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134546085 + ... + 134576024.

It is an arithmetic number, because the mean of its divisors is an integer number (302762373750).

Almost surely, 2^{4028757971730} is an apocalyptic number.

4028757971730 is an abundant number, since it is smaller than the sum of its proper divisors (5659637988270).

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

4028757971730 is a wasteful number, since it uses less digits than its factorization.

4028757971730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269122618.

The product of its (nonzero) digits is 20744640, while the sum is 60.

The spelling of 4028757971730 in words is "four trillion, twenty-eight billion, seven hundred fifty-seven million, nine hundred seventy-one thousand, seven hundred thirty".