36381680 has 40 divisors (see below), whose sum is σ = 85065984. Its totient is φ = 14470400.

The previous prime is 36381647. The next prime is 36381703. The reversal of 36381680 is 8618363.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 36381680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14090 + ... + 16470.

Almost surely, 2^36381680 is an apocalyptic number.

It is an amenable number.

36381680 is an abundant number, since it is smaller than the sum of its proper divisors (48684304).

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

36381680 is a wasteful number, since it uses less digits than its factorization.

36381680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2579 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 36381680 is about 6031.7228053020. The cubic root of 36381680 is about 331.3555505571.

The spelling of 36381680 in words is "thirty-six million, three hundred eighty-one thousand, six hundred eighty".