1204109980640 has 96 divisors (see below), whose sum is σ = 3355971139584. Its totient is φ = 399520350720.

The previous prime is 1204109980613. The next prime is 1204109980649. The reversal of 1204109980640 is 460899014021.

It is a super-2 number, since 2×1204109980640² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1204109980591 and 1204109980600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204109980649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17305574 + ... + 17375013.

It is an arithmetic number, because the mean of its divisors is an integer number (34958032704).

Almost surely, 2^{1204109980640} is an apocalyptic number.

1204109980640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204109980640 is an abundant number, since it is smaller than the sum of its proper divisors (2151861158944).

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

1204109980640 is a wasteful number, since it uses less digits than its factorization.

1204109980640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34680640 (or 34680632 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 1204109980640 in words is "one trillion, two hundred four billion, one hundred nine million, nine hundred eighty thousand, six hundred forty".