285001374441 has 128 divisors (see below), whose sum is σ = 471789711360. Its totient is φ = 149448499200.

The previous prime is 285001374401. The next prime is 285001374443. The reversal of 285001374441 is 144473100582.

It is not a de Polignac number, because 285001374441 - 2⁹ = 285001373929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285001374441.

It is not an unprimeable number, because it can be changed into a prime (285001374443) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 431166651 + ... + 431167311.

It is an arithmetic number, because the mean of its divisors is an integer number (3685857120).

Almost surely, 2^285001374441 is an apocalyptic number.

285001374441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

285001374441 is a deficient number, since it is larger than the sum of its proper divisors (186788336919).

285001374441 is a wasteful number, since it uses less digits than its factorization.

285001374441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 285001374441 in words is "two hundred eighty-five billion, one million, three hundred seventy-four thousand, four hundred forty-one".