4645572420 has 48 divisors (see below), whose sum is σ = 13018376448. Its totient is φ = 1237793280.

The previous prime is 4645572391. The next prime is 4645572461. The reversal of 4645572420 is 242755464.

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, 42412 + ... + 105308.

It is an arithmetic number, because the mean of its divisors is an integer number (271216176).

Almost surely, 2^4645572420 is an apocalyptic number.

It is an amenable number.

4645572420 is an abundant number, since it is smaller than the sum of its proper divisors (8372804028).

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

4645572420 is a wasteful number, since it uses less digits than its factorization.

4645572420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64140 (or 64138 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The square root of 4645572420 is about 68158.4361616374. The cubic root of 4645572420 is about 1668.5776096519.

The spelling of 4645572420 in words is "four billion, six hundred forty-five million, five hundred seventy-two thousand, four hundred twenty".