420616548 has 72 divisors (see below), whose sum is σ = 1210337856. Its totient is φ = 121915200.

The previous prime is 420616531. The next prime is 420616561. The reversal of 420616548 is 845616024.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13983 + ... + 32198.

It is an arithmetic number, because the mean of its divisors is an integer number (16810248).

Almost surely, 2^420616548 is an apocalyptic number.

It is an amenable number.

420616548 is an abundant number, since it is smaller than the sum of its proper divisors (789721308).

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

420616548 is a wasteful number, since it uses less digits than its factorization.

420616548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46225 (or 46220 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 420616548 is about 20508.9382465305. The cubic root of 420616548 is about 749.2535079126.

The spelling of 420616548 in words is "four hundred twenty million, six hundred sixteen thousand, five hundred forty-eight".