1070693986640 has 80 divisors (see below), whose sum is σ = 2544631061760. Its totient is φ = 418785707520.

The previous prime is 1070693986627. The next prime is 1070693986693. The reversal of 1070693986640 is 466893960701.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1070693986640² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1070693986640.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4041455 + ... + 4298225.

It is an arithmetic number, because the mean of its divisors is an integer number (31807888272).

Almost surely, 2^{1070693986640} is an apocalyptic number.

1070693986640 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 1070693986640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272315530880).

1070693986640 is an abundant number, since it is smaller than the sum of its proper divisors (1473937075120).

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

1070693986640 is a wasteful number, since it uses less digits than its factorization.

1070693986640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257940 (or 257934 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 1070693986640 in words is "one trillion, seventy billion, six hundred ninety-three million, nine hundred eighty-six thousand, six hundred forty".