481539240 has 192 divisors, whose sum is σ = 1926288000. Its totient is φ = 101592576.

The previous prime is 481539239. The next prime is 481539257. The reversal of 481539240 is 42935184.

481539240 is a `hidden beast` number, since 4 + 81 + 539 + 2 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 481539195 and 481539204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25411 + ... + 40109.

It is an arithmetic number, because the mean of its divisors is an integer number (10032750).

Almost surely, 2^481539240 is an apocalyptic number.

481539240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481539240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (963144000).

481539240 is an abundant number, since it is smaller than the sum of its proper divisors (1444748760).

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

481539240 is a wasteful number, since it uses less digits than its factorization.

481539240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736 (or 14729 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 481539240 is about 21944.0023696681. The cubic root of 481539240 is about 783.8095686659.

The spelling of 481539240 in words is "four hundred eighty-one million, five hundred thirty-nine thousand, two hundred forty".