490233920 has 112 divisors (see below), whose sum is σ = 1285134336. Its totient is φ = 178112000.

The previous prime is 490233911. The next prime is 490233943. The reversal of 490233920 is 29332094.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425345 + ... + 426495.

Almost surely, 2^490233920 is an apocalyptic number.

490233920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490233920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642567168).

490233920 is an abundant number, since it is smaller than the sum of its proper divisors (794900416).

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

490233920 is a wasteful number, since it uses less digits than its factorization.

490233920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 490233920 is about 22141.2267049502. The cubic root of 490233920 is about 788.4989496402.

The spelling of 490233920 in words is "four hundred ninety million, two hundred thirty-three thousand, nine hundred twenty".