36440500374421 has 8 divisors (see below), whose sum is σ = 42811217223264. Its totient is φ = 30579440873520.

The previous prime is 36440500374331. The next prime is 36440500374433. The reversal of 36440500374421 is 12447300504463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36440500374421 - 2¹⁹ = 36440499850133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36440500374461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127414336831 + ... + 127414337116.

It is an arithmetic number, because the mean of its divisors is an integer number (5351402152908).

Almost surely, 2^{36440500374421} is an apocalyptic number.

It is an amenable number.

36440500374421 is a deficient number, since it is larger than the sum of its proper divisors (6370716848843).

36440500374421 is a wasteful number, since it uses less digits than its factorization.

36440500374421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254828673971.

The product of its (nonzero) digits is 967680, while the sum is 43.

Adding to 36440500374421 its reverse (12447300504463), we get a palindrome (48887800878884).

The spelling of 36440500374421 in words is "thirty-six trillion, four hundred forty billion, five hundred million, three hundred seventy-four thousand, four hundred twenty-one".