36515532240 has 240 divisors, whose sum is σ = 138735245376. Its totient is φ = 8852198400.

The previous prime is 36515532187. The next prime is 36515532281. The reversal of 36515532240 is 4223551563.

36515532240 is a `hidden beast` number, since 3 + 65 + 1 + 553 + 2 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 36515532195 and 36515532204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128460 + ... + 299220.

Almost surely, 2^36515532240 is an apocalyptic number.

36515532240 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 36515532240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69367622688).

36515532240 is an abundant number, since it is smaller than the sum of its proper divisors (102219713136).

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

36515532240 is a wasteful number, since it uses less digits than its factorization.

36515532240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170800 (or 170782 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 36515532240 in words is "thirty-six billion, five hundred fifteen million, five hundred thirty-two thousand, two hundred forty".