3818473527440 has 80 divisors (see below), whose sum is σ = 10430040309696. Its totient is φ = 1281725376000.

The previous prime is 3818473527409. The next prime is 3818473527509. The reversal of 3818473527440 is 447253748183.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 166879886 + ... + 166902765.

Almost surely, 2^{3818473527440} is an apocalyptic number.

It is an amenable number.

3818473527440 is an abundant number, since it is smaller than the sum of its proper divisors (6611566782256).

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

3818473527440 is a wasteful number, since it uses less digits than its factorization.

3818473527440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333782688 (or 333782682 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 3818473527440 in words is "three trillion, eight hundred eighteen billion, four hundred seventy-three million, five hundred twenty-seven thousand, four hundred forty".