6446411250 has 160 divisors (see below), whose sum is σ = 17360842752. Its totient is φ = 1590600000.

The previous prime is 6446411249. The next prime is 6446411261. The reversal of 6446411250 is 521146446.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2672545 + ... + 2674955.

Almost surely, 2^6446411250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6446411250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8680421376).

6446411250 is an abundant number, since it is smaller than the sum of its proper divisors (10914431502).

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

6446411250 is a wasteful number, since it uses less digits than its factorization.

6446411250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 6446411250 is about 80289.5463307646. The cubic root of 6446411250 is about 1861.1126854933.

Adding to 6446411250 its reverse (521146446), we get a palindrome (6967557696).

The spelling of 6446411250 in words is "six billion, four hundred forty-six million, four hundred eleven thousand, two hundred fifty".