36400434651 has 24 divisors (see below), whose sum is σ = 61368113664. Its totient is φ = 20357688240.

The previous prime is 36400434641. The next prime is 36400434659. The reversal of 36400434651 is 15643400463.

36400434651 is a `hidden beast` number, since 3 + 640 + 0 + 4 + 3 + 4 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 36400434651 - 2¹¹ = 36400432603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36400434659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6143685 + ... + 6149606.

It is an arithmetic number, because the mean of its divisors is an integer number (2557004736).

Almost surely, 2^36400434651 is an apocalyptic number.

36400434651 is a deficient number, since it is larger than the sum of its proper divisors (24967679013).

36400434651 is a wasteful number, since it uses less digits than its factorization.

36400434651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293351 (or 12293348 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 36400434651 in words is "thirty-six billion, four hundred million, four hundred thirty-four thousand, six hundred fifty-one".