260150640 has 80 divisors (see below), whose sum is σ = 823661568. Its totient is φ = 67894528.

The previous prime is 260150621. The next prime is 260150651. The reversal of 260150640 is 46051062.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 260150640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252 + ... + 22811.

Almost surely, 2^260150640 is an apocalyptic number.

260150640 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 260150640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411830784).

260150640 is an abundant number, since it is smaller than the sum of its proper divisors (563510928).

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

260150640 is a wasteful number, since it uses less digits than its factorization.

260150640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23126 (or 23120 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 260150640 is about 16129.1859682998. The cubic root of 260150640 is about 638.3736702478.

The spelling of 260150640 in words is "two hundred sixty million, one hundred fifty thousand, six hundred forty".