36718280640 has 448 divisors, whose sum is σ = 132180787200. Its totient is φ = 9593966592.

The previous prime is 36718280623. The next prime is 36718280707. The reversal of 36718280640 is 4608281763.

36718280640 is a `hidden beast` number, since 367 + 1 + 8 + 280 + 6 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119603367 + ... + 119603673.

It is an arithmetic number, because the mean of its divisors is an integer number (295046400).

Almost surely, 2^36718280640 is an apocalyptic number.

36718280640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36718280640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66090393600).

36718280640 is an abundant number, since it is smaller than the sum of its proper divisors (95462506560).

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

36718280640 is a wasteful number, since it uses less digits than its factorization.

36718280640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 36718280640 in words is "thirty-six billion, seven hundred eighteen million, two hundred eighty thousand, six hundred forty".