4173021206640 has 480 divisors, whose sum is σ = 16866054878400. Its totient is φ = 911045836800.

The previous prime is 4173021206633. The next prime is 4173021206657. The reversal of 4173021206640 is 466021203714.

4173021206640 is a `hidden beast` number, since 4 + 1 + 7 + 3 + 0 + 2 + 1 + 2 + 0 + 6 + 640 = 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 = 4173021206595 and 4173021206604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3727086 + ... + 4715634.

It is an arithmetic number, because the mean of its divisors is an integer number (35137614330).

Almost surely, 2^{4173021206640} is an apocalyptic number.

4173021206640 is a gapful number since it is divisible by the number (40) 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 4173021206640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8433027439200).

4173021206640 is an abundant number, since it is smaller than the sum of its proper divisors (12693033671760).

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

4173021206640 is a wasteful number, since it uses less digits than its factorization.

4173021206640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988633 (or 988624 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 4173021206640 in words is "four trillion, one hundred seventy-three billion, twenty-one million, two hundred six thousand, six hundred forty".