36540025641 has 128 divisors (see below), whose sum is σ = 69755904000. Its totient is φ = 18795490560.

The previous prime is 36540025597. The next prime is 36540025649. The reversal of 36540025641 is 14652004563.

36540025641 is a `hidden beast` number, since 3 + 6 + 5 + 4 + 0 + 0 + 2 + 5 + 641 = 666.

It is not a de Polignac number, because 36540025641 - 2⁷ = 36540025513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36540025596 and 36540025605.

It is not an unprimeable number, because it can be changed into a prime (36540025649) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3616006 + ... + 3626096.

It is an arithmetic number, because the mean of its divisors is an integer number (544968000).

Almost surely, 2^36540025641 is an apocalyptic number.

It is an amenable number.

36540025641 is a deficient number, since it is larger than the sum of its proper divisors (33215878359).

36540025641 is a wasteful number, since it uses less digits than its factorization.

36540025641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161 (or 10141 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 36540025641 in words is "thirty-six billion, five hundred forty million, twenty-five thousand, six hundred forty-one".