4404280428 has 18 divisors (see below), whose sum is σ = 11133042284. Its totient is φ = 1468093464.

The previous prime is 4404280411. The next prime is 4404280471. The reversal of 4404280428 is 8240824044.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 122341123 = 4404280428 / (4 + 4 + 0 + 4 + 2 + 8 + 0 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 4404280392 and 4404280401.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61170526 + ... + 61170597.

Almost surely, 2^4404280428 is an apocalyptic number.

It is an amenable number.

4404280428 is an abundant number, since it is smaller than the sum of its proper divisors (6728761856).

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

4404280428 is a wasteful number, since it uses less digits than its factorization.

4404280428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122341133 (or 122341128 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

The square root of 4404280428 is about 66364.7529039324. The cubic root of 4404280428 is about 1639.1737395460.

The spelling of 4404280428 in words is "four billion, four hundred four million, two hundred eighty thousand, four hundred twenty-eight".