2644050450 has 96 divisors (see below), whose sum is σ = 7125258240. Its totient is φ = 646401600.

The previous prime is 2644050449. The next prime is 2644050457. The reversal of 2644050450 is 540504462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2644050457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73387 + ... + 103313.

It is an arithmetic number, because the mean of its divisors is an integer number (74221440).

Almost surely, 2^2644050450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2644050450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3562629120).

2644050450 is an abundant number, since it is smaller than the sum of its proper divisors (4481207790).

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

2644050450 is a wasteful number, since it uses less digits than its factorization.

2644050450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29992 (or 29987 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2644050450 is about 51420.3310957835. The cubic root of 2644050450 is about 1382.7911111825.

The spelling of 2644050450 in words is "two billion, six hundred forty-four million, fifty thousand, four hundred fifty".