489154626 has 56 divisors (see below), whose sum is σ = 1110203820. Its totient is φ = 161554176.

The previous prime is 489154621. The next prime is 489154657. The reversal of 489154626 is 626451984.

489154626 is a `hidden beast` number, since 4 + 8 + 9 + 15 + 4 + 626 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 295805601 + 193349025 = 17199^2 + 13905^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489154621) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 163270 + ... + 166238.

Almost surely, 2^489154626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489154626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555101910).

489154626 is an abundant number, since it is smaller than the sum of its proper divisors (621049194).

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

489154626 is a wasteful number, since it uses less digits than its factorization.

489154626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102 (or 3087 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 489154626 is about 22116.8403258693. The cubic root of 489154626 is about 787.9198740537.

The spelling of 489154626 in words is "four hundred eighty-nine million, one hundred fifty-four thousand, six hundred twenty-six".