605420540 has 12 divisors (see below), whose sum is σ = 1271383176. Its totient is φ = 242168208.

The previous prime is 605420527. The next prime is 605420549. The reversal of 605420540 is 45024506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605420549) 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, 15135494 + ... + 15135533.

It is an arithmetic number, because the mean of its divisors is an integer number (105948598).

Almost surely, 2^605420540 is an apocalyptic number.

It is an amenable number.

605420540 is an abundant number, since it is smaller than the sum of its proper divisors (665962636).

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

605420540 is a wasteful number, since it uses less digits than its factorization.

605420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30271036 (or 30271034 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 605420540 is about 24605.2949586060. The cubic root of 605420540 is about 845.9649772102.

The spelling of 605420540 in words is "six hundred five million, four hundred twenty thousand, five hundred forty".