1204355225340 has 144 divisors (see below), whose sum is σ = 3888359354880. Its totient is φ = 300686837760.

The previous prime is 1204355225303. The next prime is 1204355225383. The reversal of 1204355225340 is 435225534021.

1204355225340 is a `hidden beast` number, since 1 + 2 + 0 + 43 + 5 + 522 + 53 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1204355225295 and 1204355225304.

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, 445855 + ... + 1614774.

It is an arithmetic number, because the mean of its divisors is an integer number (27002495520).

Almost surely, 2^{1204355225340} is an apocalyptic number.

1204355225340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204355225340 is an abundant number, since it is smaller than the sum of its proper divisors (2684004129540).

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

1204355225340 is a wasteful number, since it uses less digits than its factorization.

1204355225340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060852 (or 2060847 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 1204355225340 in words is "one trillion, two hundred four billion, three hundred fifty-five million, two hundred twenty-five thousand, three hundred forty".