6444264802 has 8 divisors (see below), whose sum is σ = 9762104412. Its totient is φ = 3190230000.

The previous prime is 6444264781. The next prime is 6444264823. The reversal of 6444264802 is 2084624446.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6444264781) and next prime (6444264823).

It can be written as a sum of positive squares in 2 ways, for example, as 6422259321 + 22005481 = 80139^2 + 4691^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15950949 + ... + 15951352.

Almost surely, 2^6444264802 is an apocalyptic number.

6444264802 is a deficient number, since it is larger than the sum of its proper divisors (3317839610).

6444264802 is a wasteful number, since it uses less digits than its factorization.

6444264802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31902404.

The product of its (nonzero) digits is 294912, while the sum is 40.

The square root of 6444264802 is about 80276.1782971761. The cubic root of 6444264802 is about 1860.9060989701.

The spelling of 6444264802 in words is "six billion, four hundred forty-four million, two hundred sixty-four thousand, eight hundred two".