2236540254645 has 16 divisors (see below), whose sum is σ = 3579798226752. Its totient is φ = 1192376862720.

The previous prime is 2236540254607. The next prime is 2236540254649. The reversal of 2236540254645 is 5464520456322.

It is not a de Polignac number, because 2236540254645 - 2¹⁶ = 2236540189109 is a prime.

It is a super-2 number, since 2×2236540254645² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2236540254594 and 2236540254603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236540254649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27746316 + ... + 27826805.

It is an arithmetic number, because the mean of its divisors is an integer number (223737389172).

Almost surely, 2^{2236540254645} is an apocalyptic number.

It is an amenable number.

2236540254645 is a deficient number, since it is larger than the sum of its proper divisors (1343257972107).

2236540254645 is a wasteful number, since it uses less digits than its factorization.

2236540254645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55575812.

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 2236540254645 in words is "two trillion, two hundred thirty-six billion, five hundred forty million, two hundred fifty-four thousand, six hundred forty-five".