609465450 has 192 divisors, whose sum is σ = 1748459520. Its totient is φ = 139104000.

The previous prime is 609465449. The next prime is 609465481. The reversal of 609465450 is 54564906.

It is a junction number, because it is equal to n+sod(n) for n = 609465399 and 609465408.

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, 2248815 + ... + 2249085.

It is an arithmetic number, because the mean of its divisors is an integer number (9106560).

Almost surely, 2^609465450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609465450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874229760).

609465450 is an abundant number, since it is smaller than the sum of its proper divisors (1138994070).

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

609465450 is a wasteful number, since it uses less digits than its factorization.

609465450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 609465450 is about 24687.3540502015. The cubic root of 609465450 is about 847.8448053552.

The spelling of 609465450 in words is "six hundred nine million, four hundred sixty-five thousand, four hundred fifty".