605398040 has 64 divisors (see below), whose sum is σ = 1481578560. Its totient is φ = 221299200.

The previous prime is 605397971. The next prime is 605398051. The reversal of 605398040 is 40893506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46757 + ... + 58283.

It is an arithmetic number, because the mean of its divisors is an integer number (23149665).

Almost surely, 2^605398040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605398040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740789280).

605398040 is an abundant number, since it is smaller than the sum of its proper divisors (876180520).

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

605398040 is a wasteful number, since it uses less digits than its factorization.

605398040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11652 (or 11648 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 605398040 is about 24604.8377356974. The cubic root of 605398040 is about 845.9544971959.

The spelling of 605398040 in words is "six hundred five million, three hundred ninety-eight thousand, forty".