486427640 has 64 divisors (see below), whose sum is σ = 1121688000. Its totient is φ = 189775872.

The previous prime is 486427633. The next prime is 486427657. The reversal of 486427640 is 46724684.

It is a super-2 number, since 2×486427640² = 473223697911939200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421304 + ... + 422456.

It is an arithmetic number, because the mean of its divisors is an integer number (17526375).

Almost surely, 2^486427640 is an apocalyptic number.

486427640 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 486427640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560844000).

486427640 is an abundant number, since it is smaller than the sum of its proper divisors (635260360).

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

486427640 is a wasteful number, since it uses less digits than its factorization.

486427640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 486427640 is about 22055.1046245535. The cubic root of 486427640 is about 786.4529543311.

The spelling of 486427640 in words is "four hundred eighty-six million, four hundred twenty-seven thousand, six hundred forty".