270305247640 has 16 divisors (see below), whose sum is σ = 608186807280. Its totient is φ = 108122099040.

The previous prime is 270305247637. The next prime is 270305247659. The reversal of 270305247640 is 46742503072.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 6757631191 = 270305247640 / (2 + 7 + 0 + 3 + 0 + 5 + 2 + 4 + 7 + 6 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 270305247593 and 270305247602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378815556 + ... + 3378815635.

It is an arithmetic number, because the mean of its divisors is an integer number (38011675455).

Almost surely, 2^270305247640 is an apocalyptic number.

270305247640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270305247640 is an abundant number, since it is smaller than the sum of its proper divisors (337881559640).

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

270305247640 is a wasteful number, since it uses less digits than its factorization.

270305247640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757631202 (or 6757631198 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 270305247640 in words is "two hundred seventy billion, three hundred five million, two hundred forty-seven thousand, six hundred forty".