1240963699986 has 192 divisors, whose sum is σ = 2844742118400. Its totient is φ = 405399816000.

The previous prime is 1240963699961. The next prime is 1240963699991. The reversal of 1240963699986 is 6899963690421.

1240963699986 is a `hidden beast` number, since 12 + 4 + 0 + 96 + 369 + 99 + 86 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3555769740 + ... + 3555770088.

It is an arithmetic number, because the mean of its divisors is an integer number (14816365200).

Almost surely, 2^{1240963699986} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240963699986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422371059200).

1240963699986 is an abundant number, since it is smaller than the sum of its proper divisors (1603778418414).

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

1240963699986 is a wasteful number, since it uses less digits than its factorization.

1240963699986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 272097792, while the sum is 72.

The spelling of 1240963699986 in words is "one trillion, two hundred forty billion, nine hundred sixty-three million, six hundred ninety-nine thousand, nine hundred eighty-six".