1240241133890 has 32 divisors (see below), whose sum is σ = 2435466683520. Its totient is φ = 450981203200.

The previous prime is 1240241133847. The next prime is 1240241133913. The reversal of 1240241133890 is 983311420421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3287306 + ... + 3645114.

It is an arithmetic number, because the mean of its divisors is an integer number (76108333860).

Almost surely, 2^{1240241133890} is an apocalyptic number.

1240241133890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240241133890 is a deficient number, since it is larger than the sum of its proper divisors (1195225549630).

1240241133890 is a wasteful number, since it uses less digits than its factorization.

1240241133890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389338.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 1240241133890 in words is "one trillion, two hundred forty billion, two hundred forty-one million, one hundred thirty-three thousand, eight hundred ninety".