964449450 has 96 divisors (see below), whose sum is σ = 2672953920. Its totient is φ = 255700800.

The previous prime is 964449439. The next prime is 964449487. The reversal of 964449450 is 54944469.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 964449396 and 964449405.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242377 + ... + 246323.

It is an arithmetic number, because the mean of its divisors is an integer number (27843270).

Almost surely, 2^964449450 is an apocalyptic number.

964449450 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 964449450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336476960).

964449450 is an abundant number, since it is smaller than the sum of its proper divisors (1708504470).

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

964449450 is a wasteful number, since it uses less digits than its factorization.

964449450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 964449450 is about 31055.5864539699. The cubic root of 964449450 is about 988.0065488537.

The spelling of 964449450 in words is "nine hundred sixty-four million, four hundred forty-nine thousand, four hundred fifty".