490146420 has 48 divisors (see below), whose sum is σ = 1444645440. Its totient is φ = 123826176.

The previous prime is 490146413. The next prime is 490146421. The reversal of 490146420 is 24641094.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490146421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213837 + ... + 216116.

It is an arithmetic number, because the mean of its divisors is an integer number (30096780).

Almost surely, 2^490146420 is an apocalyptic number.

It is an amenable number.

490146420 is an abundant number, since it is smaller than the sum of its proper divisors (954499020).

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

490146420 is a wasteful number, since it uses less digits than its factorization.

490146420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429984 (or 429982 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 490146420 is about 22139.2506648260. The cubic root of 490146420 is about 788.4520347829.

The spelling of 490146420 in words is "four hundred ninety million, one hundred forty-six thousand, four hundred twenty".