609269240 has 16 divisors (see below), whose sum is σ = 1370855880. Its totient is φ = 243707680.

The previous prime is 609269233. The next prime is 609269249. The reversal of 609269240 is 42962906.

It is a junction number, because it is equal to n+sod(n) for n = 609269194 and 609269203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609269249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7615826 + ... + 7615905.

Almost surely, 2^609269240 is an apocalyptic number.

It is an amenable number.

609269240 is an abundant number, since it is smaller than the sum of its proper divisors (761586640).

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

609269240 is a wasteful number, since it uses less digits than its factorization.

609269240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15231742 (or 15231738 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 609269240 is about 24683.3798334021. The cubic root of 609269240 is about 847.7538111436.

The spelling of 609269240 in words is "six hundred nine million, two hundred sixty-nine thousand, two hundred forty".