2644450434 has 24 divisors (see below), whose sum is σ = 5927217660. Its totient is φ = 851087328.

The previous prime is 2644450427. The next prime is 2644450469. The reversal of 2644450434 is 4340544462.

2644450434 is a `hidden beast` number, since 2 + 644 + 4 + 5 + 0 + 4 + 3 + 4 = 666.

2644450434 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2631382209 + 13068225 = 51297^2 + 3615^2 .

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, 2532477 + ... + 2533520.

Almost surely, 2^2644450434 is an apocalyptic number.

2644450434 is an abundant number, since it is smaller than the sum of its proper divisors (3282767226).

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

2644450434 is a wasteful number, since it uses less digits than its factorization.

2644450434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066034 (or 5066031 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The square root of 2644450434 is about 51424.2203052219. The cubic root of 2644450434 is about 1382.8608358268.

Adding to 2644450434 its reverse (4340544462), we get a palindrome (6984994896).

The spelling of 2644450434 in words is "two billion, six hundred forty-four million, four hundred fifty thousand, four hundred thirty-four".