9940216464 has 120 divisors (see below), whose sum is σ = 29417117184. Its totient is φ = 3128256000.

The previous prime is 9940216457. The next prime is 9940216471. The reversal of 9940216464 is 4646120499.

It is an interprime number because it is at equal distance from previous prime (9940216457) and next prime (9940216471).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155869 + ... + 210179.

Almost surely, 2^9940216464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9940216464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14708558592).

9940216464 is an abundant number, since it is smaller than the sum of its proper divisors (19476900720).

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

9940216464 is a wasteful number, since it uses less digits than its factorization.

9940216464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54397 (or 54388 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 9940216464 is about 99700.6342206508. The cubic root of 9940216464 is about 2150.1327817038.

The spelling of 9940216464 in words is "nine billion, nine hundred forty million, two hundred sixteen thousand, four hundred sixty-four".