1240032265605 has 48 divisors (see below), whose sum is σ = 2516358184704. Its totient is φ = 553045743360.

The previous prime is 1240032265597. The next prime is 1240032265627. The reversal of 1240032265605 is 5065622300421.

1240032265605 is a `hidden beast` number, since 1 + 2 + 40 + 0 + 3 + 2 + 2 + 6 + 5 + 605 = 666.

It is not a de Polignac number, because 1240032265605 - 2³ = 1240032265597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240032265605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47994529 + ... + 48020358.

It is an arithmetic number, because the mean of its divisors is an integer number (52424128848).

Almost surely, 2^{1240032265605} is an apocalyptic number.

1240032265605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1240032265605 is an abundant number, since it is smaller than the sum of its proper divisors (1276325919099).

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

1240032265605 is a wasteful number, since it uses less digits than its factorization.

1240032265605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96014946 (or 96014943 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1240032265605 in words is "one trillion, two hundred forty billion, thirty-two million, two hundred sixty-five thousand, six hundred five".