285283136100 has 72 divisors (see below), whose sum is σ = 868862340640. Its totient is φ = 72071527680.

The previous prime is 285283136087. The next prime is 285283136101. The reversal of 285283136100 is 1631382582.

It is a super-2 number, since 2×285283136100² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (285283136101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25019137 + ... + 25030536.

Almost surely, 2^285283136100 is an apocalyptic number.

285283136100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285283136100 is an abundant number, since it is smaller than the sum of its proper divisors (583579204540).

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

285283136100 is a wasteful number, since it uses less digits than its factorization.

285283136100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50049709 (or 50049702 counting only the distinct ones).

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

The spelling of 285283136100 in words is "two hundred eighty-five billion, two hundred eighty-three million, one hundred thirty-six thousand, one hundred".