36509040 has 60 divisors (see below), whose sum is σ = 122611944. Its totient is φ = 9735552.

The previous prime is 36509009. The next prime is 36509059. The reversal of 36509040 is 4090563.

It is a happy number.

36509040 is a `hidden beast` number, since 3 + 650 + 9 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 36508995 and 36509013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24634 + ... + 26073.

Almost surely, 2^36509040 is an apocalyptic number.

36509040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36509040 is an abundant number, since it is smaller than the sum of its proper divisors (86102904).

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

36509040 is a wasteful number, since it uses less digits than its factorization.

36509040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50726 (or 50717 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 36509040 is about 6042.2710962022. The cubic root of 36509040 is about 331.7417549520.

The spelling of 36509040 in words is "thirty-six million, five hundred nine thousand, forty".