36400505445 has 24 divisors (see below), whose sum is σ = 63100698336. Its totient is φ = 19411606368.

The previous prime is 36400505423. The next prime is 36400505461. The reversal of 36400505445 is 54450500463.

36400505445 is a `hidden beast` number, since 3 + 64 + 0 + 0 + 50 + 544 + 5 = 666.

It is not a de Polignac number, because 36400505445 - 2⁵ = 36400505413 is a prime.

It is a super-3 number, since 3×36400505445³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469962 + ... + 541908.

It is an arithmetic number, because the mean of its divisors is an integer number (2629195764).

Almost surely, 2^36400505445 is an apocalyptic number.

It is an amenable number.

36400505445 is a deficient number, since it is larger than the sum of its proper divisors (26700192891).

36400505445 is a wasteful number, since it uses less digits than its factorization.

36400505445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83201 (or 83198 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 36400505445 in words is "thirty-six billion, four hundred million, five hundred five thousand, four hundred forty-five".