9400065864 has 32 divisors (see below), whose sum is σ = 26857331520. Its totient is φ = 2685733056.

The previous prime is 9400065853. The next prime is 9400065889. The reversal of 9400065864 is 4685600049.

It is a super-2 number, since 2×9400065864² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27976219 + ... + 27976554.

It is an arithmetic number, because the mean of its divisors is an integer number (839291610).

Almost surely, 2^9400065864 is an apocalyptic number.

It is an amenable number.

9400065864 is an abundant number, since it is smaller than the sum of its proper divisors (17457265656).

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

9400065864 is a wasteful number, since it uses less digits than its factorization.

9400065864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55952789 (or 55952785 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 9400065864 is about 96953.9368153764. The cubic root of 9400065864 is about 2110.4592236617.

The spelling of 9400065864 in words is "nine billion, four hundred million, sixty-five thousand, eight hundred sixty-four".