1240109790488 has 16 divisors (see below), whose sum is σ = 2388049259280. Its totient is φ = 603296654688.

The previous prime is 1240109790473. The next prime is 1240109790509. The reversal of 1240109790488 is 8840979010421.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094779756 + ... + 2094780347.

It is an arithmetic number, because the mean of its divisors is an integer number (149253078705).

Almost surely, 2^{1240109790488} is an apocalyptic number.

It is an amenable number.

1240109790488 is a deficient number, since it is larger than the sum of its proper divisors (1147939468792).

1240109790488 is a wasteful number, since it uses less digits than its factorization.

1240109790488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189560146 (or 4189560142 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 1240109790488 in words is "one trillion, two hundred forty billion, one hundred nine million, seven hundred ninety thousand, four hundred eighty-eight".