94145335440 has 160 divisors (see below), whose sum is σ = 318728100096. Its totient is φ = 22847784960.

The previous prime is 94145335363. The next prime is 94145335447. The reversal of 94145335440 is 4453354149.

It is a super-2 number, since 2×94145335440² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94145335392 and 94145335401.

It is not an unprimeable number, because it can be changed into a prime (94145335447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9022 + ... + 434018.

Almost surely, 2^94145335440 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 94145335440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159364050048).

94145335440 is an abundant number, since it is smaller than the sum of its proper divisors (224582764656).

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

94145335440 is a wasteful number, since it uses less digits than its factorization.

94145335440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425097 (or 425091 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 94145335440 its reverse (4453354149), we get a palindrome (98598689589).

The spelling of 94145335440 in words is "ninety-four billion, one hundred forty-five million, three hundred thirty-five thousand, four hundred forty".