36791881280 has 448 divisors, whose sum is σ = 115170508800. Its totient is φ = 11086387200.

The previous prime is 36791881277. The next prime is 36791881283. The reversal of 36791881280 is 8218819763.

It is an interprime number because it is at equal distance from previous prime (36791881277) and next prime (36791881283).

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×36791881280² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36791881283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37427669 + ... + 37428651.

Almost surely, 2^36791881280 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 36791881280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57585254400).

36791881280 is an abundant number, since it is smaller than the sum of its proper divisors (78378627520).

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

36791881280 is a wasteful number, since it uses less digits than its factorization.

36791881280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 36791881280 in words is "thirty-six billion, seven hundred ninety-one million, eight hundred eighty-one thousand, two hundred eighty".