3640081474 has 8 divisors (see below), whose sum is σ = 5576295168. Its totient is φ = 1781316420.

The previous prime is 3640081457. The next prime is 3640081559. The reversal of 3640081474 is 4741800463.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 19362042 + ... + 19362229.

It is an arithmetic number, because the mean of its divisors is an integer number (697036896).

Almost surely, 2^3640081474 is an apocalyptic number.

3640081474 is a deficient number, since it is larger than the sum of its proper divisors (1936213694).

3640081474 is a wasteful number, since it uses less digits than its factorization.

3640081474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38724320.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 3640081474 is about 60333.0877214154. The cubic root of 3640081474 is about 1538.2858131585.

The spelling of 3640081474 in words is "three billion, six hundred forty million, eighty-one thousand, four hundred seventy-four".