490654128 has 20 divisors (see below), whose sum is σ = 1267523288. Its totient is φ = 163551360.

The previous prime is 490654127. The next prime is 490654141. The reversal of 490654128 is 821456094.

It is not an unprimeable number, because it can be changed into a prime (490654121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110933 + ... + 5111028.

Almost surely, 2^490654128 is an apocalyptic number.

490654128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

490654128 is an abundant number, since it is smaller than the sum of its proper divisors (776869160).

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

490654128 is a wasteful number, since it uses less digits than its factorization.

490654128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221972 (or 10221966 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 490654128 is about 22150.7139388328. The cubic root of 490654128 is about 788.7241747350.

The spelling of 490654128 in words is "four hundred ninety million, six hundred fifty-four thousand, one hundred twenty-eight".