6205425640 has 16 divisors (see below), whose sum is σ = 13962207780. Its totient is φ = 2482170240.

The previous prime is 6205425533. The next prime is 6205425641. The reversal of 6205425640 is 465245026.

It can be written as a sum of positive squares in 2 ways, for example, as 6081192324 + 124233316 = 77982^2 + 11146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6205425596 and 6205425605.

It is not an unprimeable number, because it can be changed into a prime (6205425641) 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, 77567781 + ... + 77567860.

Almost surely, 2^6205425640 is an apocalyptic number.

It is an amenable number.

6205425640 is an abundant number, since it is smaller than the sum of its proper divisors (7756782140).

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

6205425640 is a wasteful number, since it uses less digits than its factorization.

6205425640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155135652 (or 155135648 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 6205425640 is about 78774.5240544175. The cubic root of 6205425640 is about 1837.6262750618.

The spelling of 6205425640 in words is "six billion, two hundred five million, four hundred twenty-five thousand, six hundred forty".