489956040 has 384 divisors, whose sum is σ = 1991808000. Its totient is φ = 105815808.

The previous prime is 489956029. The next prime is 489956053. The reversal of 489956040 is 40659984.

It is a happy number.

489956040 is a `hidden beast` number, since 4 + 89 + 9 + 560 + 4 + 0 = 666.

It is a super-2 number, since 2×489956040² = 480113842264963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1292571 + ... + 1292949.

It is an arithmetic number, because the mean of its divisors is an integer number (5187000).

Almost surely, 2^489956040 is an apocalyptic number.

489956040 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 489956040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995904000).

489956040 is an abundant number, since it is smaller than the sum of its proper divisors (1501851960).

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

489956040 is a wasteful number, since it uses less digits than its factorization.

489956040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 489956040 is about 22134.9506437218. The cubic root of 489956040 is about 788.3499394832.

The spelling of 489956040 in words is "four hundred eighty-nine million, nine hundred fifty-six thousand, forty".