36400000000 has 396 divisors, whose sum is σ = 111945255184. Its totient is φ = 11520000000.

The previous prime is 36399999967. The next prime is 36400000033. The reversal of 36400000000 is 463.

It is an interprime number because it is at equal distance from previous prime (36399999967) and next prime (36400000033).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2799999994 + ... + 2800000006.

Almost surely, 2^36400000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55972627592).

36400000000 is an abundant number, since it is smaller than the sum of its proper divisors (75545255184).

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

36400000000 is an frugal number, since it uses more digits than its factorization.

36400000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 36400000000 its reverse (463), we get a palindrome (36400000463).

It can be divided in two parts, 36 and 400000000, that multiplied together give a square (14400000000 = 120000²).

The spelling of 36400000000 in words is "thirty-six billion, four hundred million", and thus it is an aban number.