481396394388 has 576 divisors, whose sum is σ = 1560015894528. Its totient is φ = 113984962560.

The previous prime is 481396394383. The next prime is 481396394443. The reversal of 481396394388 is 883493693184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481396394383) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 294071506 + ... + 294073142.

It is an arithmetic number, because the mean of its divisors is an integer number (2708360928).

Almost surely, 2^481396394388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481396394388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780007947264).

481396394388 is an abundant number, since it is smaller than the sum of its proper divisors (1078619500140).

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

481396394388 is a wasteful number, since it uses less digits than its factorization.

481396394388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1783 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 66.

The spelling of 481396394388 in words is "four hundred eighty-one billion, three hundred ninety-six million, three hundred ninety-four thousand, three hundred eighty-eight".