1628049441 has 8 divisors (see below), whose sum is σ = 2173696960. Its totient is φ = 1083884112.

The previous prime is 1628049427. The next prime is 1628049461. The reversal of 1628049441 is 1449408261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1628049441 - 2¹⁰ = 1628048417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1628049441.

It is not an unprimeable number, because it can be changed into a prime (1628049461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367981 + ... + 372378.

It is an arithmetic number, because the mean of its divisors is an integer number (271712120).

Almost surely, 2^1628049441 is an apocalyptic number.

It is an amenable number.

1628049441 is a deficient number, since it is larger than the sum of its proper divisors (545647519).

1628049441 is an equidigital number, since it uses as much as digits as its factorization.

1628049441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741095.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1628049441 is about 40349.0946738585. The cubic root of 1628049441 is about 1176.4022952334.

The spelling of 1628049441 in words is "one billion, six hundred twenty-eight million, forty-nine thousand, four hundred forty-one".