3918455466472 has 32 divisors (see below), whose sum is σ = 7351380247680. Its totient is φ = 1958087759040.

The previous prime is 3918455466469. The next prime is 3918455466473. The reversal of 3918455466472 is 2746645548193.

It is a super-2 number, since 2×3918455466472² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3918455466473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104220397 + ... + 104257987.

It is an arithmetic number, because the mean of its divisors is an integer number (229730632740).

Almost surely, 2^{3918455466472} is an apocalyptic number.

It is an amenable number.

3918455466472 is a deficient number, since it is larger than the sum of its proper divisors (3432924781208).

3918455466472 is a wasteful number, since it uses less digits than its factorization.

3918455466472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44833 (or 44829 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 64.

The spelling of 3918455466472 in words is "three trillion, nine hundred eighteen billion, four hundred fifty-five million, four hundred sixty-six thousand, four hundred seventy-two".