4123492565220 has 240 divisors, whose sum is σ = 14868945197568. Its totient is φ = 937064090880.

The previous prime is 4123492565141. The next prime is 4123492565221. The reversal of 4123492565220 is 225652943214.

4123492565220 is a `hidden beast` number, since 4 + 1 + 2 + 34 + 92 + 5 + 6 + 522 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (4123492565221) 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 79 ways as a sum of consecutive naturals, for example, 910885 + ... + 3012755.

Almost surely, 2^{4123492565220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4123492565220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7434472598784).

4123492565220 is an abundant number, since it is smaller than the sum of its proper divisors (10745452632348).

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

4123492565220 is a wasteful number, since it uses less digits than its factorization.

4123492565220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102072 (or 2102061 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 4123492565220 in words is "four trillion, one hundred twenty-three billion, four hundred ninety-two million, five hundred sixty-five thousand, two hundred twenty".