490909026 has 16 divisors (see below), whose sum is σ = 982477728. Its totient is φ = 163526400.

The previous prime is 490909019. The next prime is 490909037. The reversal of 490909026 is 620909094.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17535 + ... + 35906.

It is an arithmetic number, because the mean of its divisors is an integer number (61404858).

Almost surely, 2^490909026 is an apocalyptic number.

490909026 is an abundant number, since it is smaller than the sum of its proper divisors (491568702).

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

490909026 is a wasteful number, since it uses less digits than its factorization.

490909026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54977.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 490909026 is about 22156.4669114911. The cubic root of 490909026 is about 788.8607335305.

The spelling of 490909026 in words is "four hundred ninety million, nine hundred nine thousand, twenty-six".