486921240 has 256 divisors, whose sum is σ = 1774080000. Its totient is φ = 118070784.

The previous prime is 486921233. The next prime is 486921251. The reversal of 486921240 is 42129684.

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 = 486921195 and 486921204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1108941 + ... + 1109379.

It is an arithmetic number, because the mean of its divisors is an integer number (6930000).

Almost surely, 2^486921240 is an apocalyptic number.

486921240 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 486921240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887040000).

486921240 is an abundant number, since it is smaller than the sum of its proper divisors (1287158760).

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

486921240 is a wasteful number, since it uses less digits than its factorization.

486921240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 486921240 is about 22066.2919404235. The cubic root of 486921240 is about 786.7188807949.

The spelling of 486921240 in words is "four hundred eighty-six million, nine hundred twenty-one thousand, two hundred forty".