40533564951 has 24 divisors (see below), whose sum is σ = 64770675840. Its totient is φ = 24219795600.

The previous prime is 40533564949. The next prime is 40533564991. The reversal of 40533564951 is 15946533504.

40533564951 is a `hidden beast` number, since 4 + 0 + 5 + 33 + 564 + 9 + 51 = 666.

It is not a de Polignac number, because 40533564951 - 2¹ = 40533564949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40533564897 and 40533564906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40533564901) 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 23 ways as a sum of consecutive naturals, for example, 2876281 + ... + 2890338.

It is an arithmetic number, because the mean of its divisors is an integer number (2698778160).

Almost surely, 2^40533564951 is an apocalyptic number.

40533564951 is a deficient number, since it is larger than the sum of its proper divisors (24237110889).

40533564951 is a wasteful number, since it uses less digits than its factorization.

40533564951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766707 (or 5766704 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 40533564951 in words is "forty billion, five hundred thirty-three million, five hundred sixty-four thousand, nine hundred fifty-one".