4194245520 has 120 divisors (see below), whose sum is σ = 14131720512. Its totient is φ = 1114809600.

The previous prime is 4194245509. The next prime is 4194245527. The reversal of 4194245520 is 255424914.

It is a happy number.

4194245520 is a `hidden beast` number, since 4 + 1 + 94 + 2 + 45 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (4194245527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214555 + ... + 233285.

Almost surely, 2^4194245520 is an apocalyptic number.

4194245520 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 4194245520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7065860256).

4194245520 is an abundant number, since it is smaller than the sum of its proper divisors (9937474992).

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

4194245520 is a wasteful number, since it uses less digits than its factorization.

4194245520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19061 (or 19052 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4194245520 is about 64762.9949894228. The cubic root of 4194245520 is about 1612.6914486948.

The spelling of 4194245520 in words is "four billion, one hundred ninety-four million, two hundred forty-five thousand, five hundred twenty".