486257140 has 24 divisors (see below), whose sum is σ = 1023393672. Its totient is φ = 194073600.

The previous prime is 486257117. The next prime is 486257141. The reversal of 486257140 is 41752684.

It can be written as a sum of positive squares in 4 ways, for example, as 191379556 + 294877584 = 13834^2 + 17172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 486257140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486257141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17461 + ... + 35740.

It is an arithmetic number, because the mean of its divisors is an integer number (42641403).

Almost surely, 2^486257140 is an apocalyptic number.

It is an amenable number.

486257140 is an abundant number, since it is smaller than the sum of its proper divisors (537136532).

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

486257140 is a wasteful number, since it uses less digits than its factorization.

486257140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53667 (or 53665 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 486257140 is about 22051.2389674594. The cubic root of 486257140 is about 786.3610558399.

The spelling of 486257140 in words is "four hundred eighty-six million, two hundred fifty-seven thousand, one hundred forty".