964448040 has 32 divisors (see below), whose sum is σ = 2893344480. Its totient is φ = 257186112.

The previous prime is 964448039. The next prime is 964448047. The reversal of 964448040 is 40844469.

It is a self number, because there is not a number n which added to its sum of digits gives 964448040.

It is not an unprimeable number, because it can be changed into a prime (964448047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018414 + ... + 4018653.

It is an arithmetic number, because the mean of its divisors is an integer number (90417015).

Almost surely, 2^964448040 is an apocalyptic number.

It is an amenable number.

964448040 is an abundant number, since it is smaller than the sum of its proper divisors (1928896440).

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

964448040 is a wasteful number, since it uses less digits than its factorization.

964448040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037081 (or 8037077 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 964448040 is about 31055.5637527320. The cubic root of 964448040 is about 988.0060673736.

The spelling of 964448040 in words is "nine hundred sixty-four million, four hundred forty-eight thousand, forty".