2203973612640 has 768 divisors, whose sum is σ = 8291082240000. Its totient is φ = 545534466048.

The previous prime is 2203973612593. The next prime is 2203973612653. The reversal of 2203973612640 is 462163793022.

2203973612640 is a `hidden beast` number, since 2 + 20 + 3 + 9 + 7 + 3 + 612 + 6 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 463114581 + ... + 463119339.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680000).

Almost surely, 2^{2203973612640} is an apocalyptic number.

2203973612640 is a gapful number since it is divisible by the number (20) 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 2203973612640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4145541120000).

2203973612640 is an abundant number, since it is smaller than the sum of its proper divisors (6087108627360).

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

2203973612640 is a wasteful number, since it uses less digits than its factorization.

2203973612640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 2203973612640 in words is "two trillion, two hundred three billion, nine hundred seventy-three million, six hundred twelve thousand, six hundred forty".