481213764 has 96 divisors (see below), whose sum is σ = 1326528000. Its totient is φ = 150336000.

The previous prime is 481213763. The next prime is 481213769. The reversal of 481213764 is 467312184.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (481213763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640389 + ... + 641139.

It is an arithmetic number, because the mean of its divisors is an integer number (13818000).

Almost surely, 2^481213764 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 481213764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663264000).

481213764 is an abundant number, since it is smaller than the sum of its proper divisors (845314236).

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

481213764 is a wasteful number, since it uses less digits than its factorization.

481213764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1122 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 481213764 is about 21936.5850578434. The cubic root of 481213764 is about 783.6329345997.

The spelling of 481213764 in words is "four hundred eighty-one million, two hundred thirteen thousand, seven hundred sixty-four".