36512004540 has 96 divisors (see below), whose sum is σ = 111589228800. Its totient is φ = 8846502400.

The previous prime is 36512004533. The next prime is 36512004547. The reversal of 36512004540 is 4540021563.

It is an interprime number because it is at equal distance from previous prime (36512004533) and next prime (36512004547).

It is a super-2 number, since 2×36512004540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 36512004498 and 36512004507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36512004547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260136 + ... + 1288784.

It is an arithmetic number, because the mean of its divisors is an integer number (1162387800).

Almost surely, 2^36512004540 is an apocalyptic number.

36512004540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36512004540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55794614400).

36512004540 is an abundant number, since it is smaller than the sum of its proper divisors (75077224260).

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

36512004540 is a wasteful number, since it uses less digits than its factorization.

36512004540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30603 (or 30601 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 36512004540 in words is "thirty-six billion, five hundred twelve million, four thousand, five hundred forty".