36400190000 has 50 divisors (see below), whose sum is σ = 88128524220. Its totient is φ = 14560072000.

The previous prime is 36400189997. The next prime is 36400190017. The reversal of 36400190000 is 9100463.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×36400190000² (a number of 22 digits) contains 22 as substring.

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 9 ways as a sum of consecutive naturals, for example, 1810010 + ... + 1830009.

Almost surely, 2^36400190000 is an apocalyptic number.

It is an amenable number.

36400190000 is an abundant number, since it is smaller than the sum of its proper divisors (51728334220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36400190000 is an equidigital number, since it uses as much as digits as its factorization.

36400190000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640047 (or 3640026 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 36400190000 its reverse (9100463), we get a palindrome (36409290463).

The spelling of 36400190000 in words is "thirty-six billion, four hundred million, one hundred ninety thousand".