40836240858645 has 32 divisors (see below), whose sum is σ = 75101132620800. Its totient is φ = 21028317129792.

The previous prime is 40836240858643. The next prime is 40836240858649. The reversal of 40836240858645 is 54685804263804.

40836240858645 is a `hidden beast` number, since 4 + 0 + 8 + 3 + 6 + 2 + 4 + 0 + 8 + 586 + 45 = 666.

40836240858645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40836240858645 - 2¹ = 40836240858643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40836240858643) 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 31 ways as a sum of consecutive naturals, for example, 5215352517 + ... + 5215360346.

It is an arithmetic number, because the mean of its divisors is an integer number (2346910394400).

Almost surely, 2^{40836240858645} is an apocalyptic number.

40836240858645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40836240858645 is a deficient number, since it is larger than the sum of its proper divisors (34264891762155).

40836240858645 is a wasteful number, since it uses less digits than its factorization.

40836240858645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430712906 (or 10430712900 counting only the distinct ones).

The product of its (nonzero) digits is 176947200, while the sum is 63.

The spelling of 40836240858645 in words is "forty trillion, eight hundred thirty-six billion, two hundred forty million, eight hundred fifty-eight thousand, six hundred forty-five".