105284785040 has 40 divisors (see below), whose sum is σ = 244801736448. Its totient is φ = 42111400320.

The previous prime is 105284785009. The next prime is 105284785051. The reversal of 105284785040 is 40587482501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×105284785040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105284784982 and 105284785000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910675 + ... + 1965005.

Almost surely, 2^105284785040 is an apocalyptic number.

105284785040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105284785040 is an abundant number, since it is smaller than the sum of its proper divisors (139516951408).

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

105284785040 is a wasteful number, since it uses less digits than its factorization.

105284785040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78567 (or 78561 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 105284785040 in words is "one hundred five billion, two hundred eighty-four million, seven hundred eighty-five thousand, forty".