609030240 has 384 divisors, whose sum is σ = 2406039552. Its totient is φ = 126074880.

The previous prime is 609030239. The next prime is 609030241. The reversal of 609030240 is 42030906.

It is an interprime number because it is at equal distance from previous prime (609030239) and next prime (609030241).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 609030240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609030241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3188545 + ... + 3188735.

It is an arithmetic number, because the mean of its divisors is an integer number (6265728).

Almost surely, 2^609030240 is an apocalyptic number.

609030240 is a gapful number since it is divisible by the number (60) 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 609030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203019776).

609030240 is an abundant number, since it is smaller than the sum of its proper divisors (1797009312).

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

609030240 is a wasteful number, since it uses less digits than its factorization.

609030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 609030240 is about 24678.5380442197. The cubic root of 609030240 is about 847.6429462765.

The spelling of 609030240 in words is "six hundred nine million, thirty thousand, two hundred forty".