486609440 has 24 divisors (see below), whose sum is σ = 1149615180. Its totient is φ = 194643712.

The previous prime is 486609439. The next prime is 486609467. The reversal of 486609440 is 44906684.

It can be written as a sum of positive squares in 2 ways, for example, as 485585296 + 1024144 = 22036^2 + 1012^2 .

It is a super-2 number, since 2×486609440² = 473577494194227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520495 + ... + 1520814.

Almost surely, 2^486609440 is an apocalyptic number.

486609440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

486609440 is an abundant number, since it is smaller than the sum of its proper divisors (663005740).

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

486609440 is a wasteful number, since it uses less digits than its factorization.

486609440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041324 (or 3041316 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 486609440 is about 22059.2257343725. The cubic root of 486609440 is about 786.5509198020.

The spelling of 486609440 in words is "four hundred eighty-six million, six hundred nine thousand, four hundred forty".