1240227660 has 192 divisors, whose sum is σ = 4236825600. Its totient is φ = 264757248.

The previous prime is 1240227647. The next prime is 1240227701. The reversal of 1240227660 is 667220421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 581476 + ... + 583604.

It is an arithmetic number, because the mean of its divisors is an integer number (22066800).

Almost surely, 2^1240227660 is an apocalyptic number.

1240227660 is a gapful number since it is divisible by the number (10) 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 1240227660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2118412800).

1240227660 is an abundant number, since it is smaller than the sum of its proper divisors (2996597940).

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

1240227660 is a wasteful number, since it uses less digits than its factorization.

1240227660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1240227660 is about 35216.8661297396. The cubic root of 1240227660 is about 1074.4028152392.

The spelling of 1240227660 in words is "one billion, two hundred forty million, two hundred twenty-seven thousand, six hundred sixty".