4287236040 has 80 divisors (see below), whose sum is σ = 14409887580. Its totient is φ = 1143262080.

The previous prime is 4287236033. The next prime is 4287236111. The reversal of 4287236040 is 406327824.

4287236040 is a `hidden beast` number, since 4 + 28 + 7 + 23 + 604 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3738833316 + 548402724 = 61146^2 + 23418^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4287235986 and 4287236004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 658371 + ... + 664850.

Almost surely, 2^4287236040 is an apocalyptic number.

4287236040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4287236040 is an abundant number, since it is smaller than the sum of its proper divisors (10122651540).

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

4287236040 is a wasteful number, since it uses less digits than its factorization.

4287236040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323244 (or 1323231 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 4287236040 is about 65476.9886295941. The cubic root of 4287236040 is about 1624.5227524738.

The spelling of 4287236040 in words is "four billion, two hundred eighty-seven million, two hundred thirty-six thousand, forty".