4219427520 has 672 divisors, whose sum is σ = 18486973440. Its totient is φ = 857825280.

The previous prime is 4219427519. The next prime is 4219427561. The reversal of 4219427520 is 257249124.

4219427520 is a `hidden beast` number, since 4 + 21 + 94 + 27 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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

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, 11753101 + ... + 11753459.

Almost surely, 2^4219427520 is an apocalyptic number.

4219427520 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 4219427520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9243486720).

4219427520 is an abundant number, since it is smaller than the sum of its proper divisors (14267545920).

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

4219427520 is a wasteful number, since it uses less digits than its factorization.

4219427520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4219427520 is about 64957.1206258406. The cubic root of 4219427520 is about 1615.9125120103.

The spelling of 4219427520 in words is "four billion, two hundred nineteen million, four hundred twenty-seven thousand, five hundred twenty".