2436000561 has 40 divisors (see below), whose sum is σ = 3772107240. Its totient is φ = 1565402112.

The previous prime is 2436000509. The next prime is 2436000563. The reversal of 2436000561 is 1650006342.

2436000561 is a `hidden beast` number, since 2 + 4 + 3 + 600 + 0 + 56 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 821166336 + 1614834225 = 28656^2 + 40185^2 .

It is not a de Polignac number, because 2436000561 - 2¹⁰ = 2435999537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2436000563) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 322945 + ... + 330401.

It is an arithmetic number, because the mean of its divisors is an integer number (94302681).

Almost surely, 2^2436000561 is an apocalyptic number.

It is an amenable number.

2436000561 is a deficient number, since it is larger than the sum of its proper divisors (1336106679).

2436000561 is a wasteful number, since it uses less digits than its factorization.

2436000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615 (or 7606 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2436000561 is about 49355.8564002287. The cubic root of 2436000561 is about 1345.5271374787.

The spelling of 2436000561 in words is "two billion, four hundred thirty-six million, five hundred sixty-one", and thus it is an aban number.