3821447334540 has 96 divisors (see below), whose sum is σ = 11732037698304. Its totient is φ = 921708847360.

The previous prime is 3821447334499. The next prime is 3821447334563. The reversal of 3821447334540 is 454337441283.

It is a self number, because there is not a number n which added to its sum of digits gives 3821447334540.

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 31 ways as a sum of consecutive naturals, for example, 14565594 + ... + 14825633.

It is an arithmetic number, because the mean of its divisors is an integer number (122208726024).

Almost surely, 2^{3821447334540} is an apocalyptic number.

3821447334540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3821447334540 is an abundant number, since it is smaller than the sum of its proper divisors (7910590363764).

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

3821447334540 is a wasteful number, since it uses less digits than its factorization.

3821447334540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29391447 (or 29391445 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 48.

The spelling of 3821447334540 in words is "three trillion, eight hundred twenty-one billion, four hundred forty-seven million, three hundred thirty-four thousand, five hundred forty".