260749222740 has 144 divisors (see below), whose sum is σ = 831491129280. Its totient is φ = 67836960000.

The previous prime is 260749222633. The next prime is 260749222751. The reversal of 260749222740 is 47222947062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 764115 + ... + 1051365.

Almost surely, 2^260749222740 is an apocalyptic number.

260749222740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260749222740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415745564640).

260749222740 is an abundant number, since it is smaller than the sum of its proper divisors (570741906540).

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

260749222740 is a wasteful number, since it uses less digits than its factorization.

260749222740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287351 (or 287302 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 260749222740 in words is "two hundred sixty billion, seven hundred forty-nine million, two hundred twenty-two thousand, seven hundred forty".