424628544420 has 72 divisors (see below), whose sum is σ = 1301318733624. Its totient is φ = 112066910208.

The previous prime is 424628544413. The next prime is 424628544427. The reversal of 424628544420 is 24445826424.

424628544420 is a `hidden beast` number, since 4 + 2 + 4 + 62 + 8 + 544 + 42 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (424628544413) and next prime (424628544427).

It can be written as a sum of positive squares in 4 ways, for example, as 44097480036 + 380531064384 = 209994^2 + 616872^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (424628544427) 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, 12142579 + ... + 12177498.

Almost surely, 2^424628544420 is an apocalyptic number.

It is an amenable number.

424628544420 is an abundant number, since it is smaller than the sum of its proper divisors (876690189204).

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

424628544420 is a wasteful number, since it uses less digits than its factorization.

424628544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24320189 (or 24320184 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 45.

The spelling of 424628544420 in words is "four hundred twenty-four billion, six hundred twenty-eight million, five hundred forty-four thousand, four hundred twenty".