488440642 has 8 divisors (see below), whose sum is σ = 732763836. Its totient is φ = 244186032.

The previous prime is 488440639. The next prime is 488440679. The reversal of 488440642 is 246044884.

It can be written as a sum of positive squares in 2 ways, for example, as 479566201 + 8874441 = 21899^2 + 2979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 488440595 and 488440604.

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, 8088 + ... + 32284.

Almost surely, 2^488440642 is an apocalyptic number.

488440642 is a deficient number, since it is larger than the sum of its proper divisors (244323194).

488440642 is a wasteful number, since it uses less digits than its factorization.

488440642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34292.

The product of its (nonzero) digits is 196608, while the sum is 40.

The square root of 488440642 is about 22100.6932470454. The cubic root of 488440642 is about 787.5363306326.

The spelling of 488440642 in words is "four hundred eighty-eight million, four hundred forty thousand, six hundred forty-two".