36131008573440 has 1872 divisors, whose sum is σ = 147751807039200. Its totient is φ = 8452909301760.

The previous prime is 36131008573421. The next prime is 36131008573441. The reversal of 36131008573440 is 4437580013163.

36131008573440 is a `hidden beast` number, since 3 + 6 + 1 + 31 + 0 + 0 + 8 + 573 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36131008573441) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17463028726 + ... + 17463030794.

It is an arithmetic number, because the mean of its divisors is an integer number (78927247350).

Almost surely, 2^{36131008573440} is an apocalyptic number.

36131008573440 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 36131008573440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73875903519600).

36131008573440 is an abundant number, since it is smaller than the sum of its proper divisors (111620798465760).

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

36131008573440 is a wasteful number, since it uses less digits than its factorization.

36131008573440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 36131008573440 in words is "thirty-six trillion, one hundred thirty-one billion, eight million, five hundred seventy-three thousand, four hundred forty".