605645040 has 320 divisors, whose sum is σ = 2521838592. Its totient is φ = 116121600.

The previous prime is 605645023. The next prime is 605645057. The reversal of 605645040 is 40546506.

It is an interprime number because it is at equal distance from previous prime (605645023) and next prime (605645057).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 605644989 and 605645007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238980 + ... + 241500.

Almost surely, 2^605645040 is an apocalyptic number.

605645040 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 605645040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260919296).

605645040 is an abundant number, since it is smaller than the sum of its proper divisors (1916193552).

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

605645040 is a wasteful number, since it uses less digits than its factorization.

605645040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 605645040 is about 24609.8565619550. The cubic root of 605645040 is about 846.0695302465.

The spelling of 605645040 in words is "six hundred five million, six hundred forty-five thousand, forty".