486780840 has 480 divisors, whose sum is σ = 2040698880. Its totient is φ = 101896704.

The previous prime is 486780821. The next prime is 486780841. The reversal of 486780840 is 48087684.

It is a super-2 number, since 2×486780840² = 473911172382211200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486780841) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3832857 + ... + 3832983.

It is an arithmetic number, because the mean of its divisors is an integer number (4251456).

Almost surely, 2^486780840 is an apocalyptic number.

486780840 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 486780840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020349440).

486780840 is an abundant number, since it is smaller than the sum of its proper divisors (1553918040).

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

486780840 is a wasteful number, since it uses less digits than its factorization.

486780840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 486780840 is about 22063.1103881570. The cubic root of 486780840 is about 786.6432587436.

The spelling of 486780840 in words is "four hundred eighty-six million, seven hundred eighty thousand, eight hundred forty".