481521264 has 80 divisors (see below), whose sum is σ = 1467525120. Its totient is φ = 133136640.

The previous prime is 481521259. The next prime is 481521269. The reversal of 481521264 is 462125184.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (481521259) and next prime (481521269).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481521269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12699 + ... + 33530.

It is an arithmetic number, because the mean of its divisors is an integer number (18344064).

Almost surely, 2^481521264 is an apocalyptic number.

It is an amenable number.

481521264 is an abundant number, since it is smaller than the sum of its proper divisors (986003856).

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

481521264 is a wasteful number, since it uses less digits than its factorization.

481521264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46278 (or 46272 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 481521264 is about 21943.5927778475. The cubic root of 481521264 is about 783.7998152648.

The spelling of 481521264 in words is "four hundred eighty-one million, five hundred twenty-one thousand, two hundred sixty-four".