285628162473490 has 8 divisors (see below), whose sum is σ = 514130692452300. Its totient is φ = 114251264989392.

The previous prime is 285628162473443. The next prime is 285628162473497. The reversal of 285628162473490 is 94374261826582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 237388067204409 + 48240095269081 = 15407403^2 + 6945509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (285628162473497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14281408123665 + ... + 14281408123684.

It is a 2-persistent number, because it is pandigital, and so is 2⋅285628162473490 = 571256324946980, but 3⋅285628162473490 = 856884487420470 is not.

Almost surely, 2^{285628162473490} is an apocalyptic number.

285628162473490 is a deficient number, since it is larger than the sum of its proper divisors (228502529978810).

285628162473490 is a wasteful number, since it uses less digits than its factorization.

285628162473490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28562816247356.

The product of its (nonzero) digits is 278691840, while the sum is 67.

The spelling of 285628162473490 in words is "two hundred eighty-five trillion, six hundred twenty-eight billion, one hundred sixty-two million, four hundred seventy-three thousand, four hundred ninety".