7448448402 has 24 divisors (see below), whose sum is σ = 16160350284. Its totient is φ = 2479424544.

The previous prime is 7448448389. The next prime is 7448448431. The reversal of 7448448402 is 2048448447.

It can be written as a sum of positive squares in 2 ways, for example, as 7214633721 + 233814681 = 84939^2 + 15291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269073 + ... + 295460.

Almost surely, 2^7448448402 is an apocalyptic number.

7448448402 is an abundant number, since it is smaller than the sum of its proper divisors (8711901882).

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

7448448402 is a wasteful number, since it uses less digits than its factorization.

7448448402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565274 (or 565271 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 45.

The square root of 7448448402 is about 86304.3938742403. The cubic root of 7448448402 is about 1952.9386681888.

Adding to 7448448402 its sum of digits (45), we get a palindrome (7448448447).

The spelling of 7448448402 in words is "seven billion, four hundred forty-eight million, four hundred forty-eight thousand, four hundred two".