6205365540 has 72 divisors (see below), whose sum is σ = 20534125248. Its totient is φ = 1504330560.

The previous prime is 6205365521. The next prime is 6205365583. The reversal of 6205365540 is 455635026.

It is a happy number.

6205365540 is a `hidden beast` number, since 6 + 2 + 0 + 53 + 65 + 540 = 666.

It is a super-2 number, since 2×6205365540² = 77013122970038983200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6205365495 and 6205365504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1565032 + ... + 1568991.

It is an arithmetic number, because the mean of its divisors is an integer number (285196184).

Almost surely, 2^6205365540 is an apocalyptic number.

6205365540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6205365540 is an abundant number, since it is smaller than the sum of its proper divisors (14328759708).

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

6205365540 is a wasteful number, since it uses less digits than its factorization.

6205365540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134049 (or 3134044 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 6205365540 is about 78774.1425849879. The cubic root of 6205365540 is about 1837.6203425278.

The spelling of 6205365540 in words is "six billion, two hundred five million, three hundred sixty-five thousand, five hundred forty".