9493663440 has 40 divisors (see below), whose sum is σ = 29430357408. Its totient is φ = 2531643520.

The previous prime is 9493663429. The next prime is 9493663451. The reversal of 9493663440 is 443663949.

It is an interprime number because it is at equal distance from previous prime (9493663429) and next prime (9493663451).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9493663440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19778226 + ... + 19778705.

Almost surely, 2^9493663440 is an apocalyptic number.

It is an amenable number.

9493663440 is an abundant number, since it is smaller than the sum of its proper divisors (19936693968).

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

9493663440 is a wasteful number, since it uses less digits than its factorization.

9493663440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39556947 (or 39556941 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The square root of 9493663440 is about 97435.4321589431. The cubic root of 9493663440 is about 2117.4408005466.

The spelling of 9493663440 in words is "nine billion, four hundred ninety-three million, six hundred sixty-three thousand, four hundred forty".