240260660440 has 64 divisors (see below), whose sum is σ = 563250996000. Its totient is φ = 92122705920.

The previous prime is 240260660429. The next prime is 240260660449. The reversal of 240260660440 is 44066062042.

It is a junction number, because it is equal to n+sod(n) for n = 240260660396 and 240260660405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240260660449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583801 + ... + 906280.

Almost surely, 2^240260660440 is an apocalyptic number.

240260660440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240260660440 is an abundant number, since it is smaller than the sum of its proper divisors (322990335560).

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

240260660440 is a wasteful number, since it uses less digits than its factorization.

240260660440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490260 (or 1490256 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 240260660440 in words is "two hundred forty billion, two hundred sixty million, six hundred sixty thousand, four hundred forty".