6205280640 has 128 divisors (see below), whose sum is σ = 21300904800. Its totient is φ = 1527447552.

The previous prime is 6205280621. The next prime is 6205280657. The reversal of 6205280640 is 460825026.

It is a tau number, because it is divible by the number of its divisors (128).

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, 99345 + ... + 149264.

Almost surely, 2^6205280640 is an apocalyptic number.

6205280640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6205280640 is an abundant number, since it is smaller than the sum of its proper divisors (15095624160).

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

6205280640 is a wasteful number, since it uses less digits than its factorization.

6205280640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248644 (or 248632 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 6205280640 is about 78773.6037007321. The cubic root of 6205280640 is about 1837.6119618946.

The spelling of 6205280640 in words is "six billion, two hundred five million, two hundred eighty thousand, six hundred forty".