4215525420 has 48 divisors (see below), whose sum is σ = 11808357120. Its totient is φ = 1123674816.

The previous prime is 4215525367. The next prime is 4215525439. The reversal of 4215525420 is 245255124.

4215525420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146329 + ... + 172751.

It is an arithmetic number, because the mean of its divisors is an integer number (246007440).

Almost surely, 2^4215525420 is an apocalyptic number.

It is an amenable number.

4215525420 is an abundant number, since it is smaller than the sum of its proper divisors (7592831700).

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

4215525420 is a wasteful number, since it uses less digits than its factorization.

4215525420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29094 (or 29092 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4215525420 is about 64927.0777103051. The cubic root of 4215525420 is about 1615.4142298042.

The spelling of 4215525420 in words is "four billion, two hundred fifteen million, five hundred twenty-five thousand, four hundred twenty".