94151440 has 80 divisors (see below), whose sum is σ = 234306432. Its totient is φ = 35059712.

The previous prime is 94151437. The next prime is 94151471. The reversal of 94151440 is 4415149.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 94151399 and 94151408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145197 + ... + 145843.

Almost surely, 2^94151440 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 94151440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117153216).

94151440 is an abundant number, since it is smaller than the sum of its proper divisors (140154992).

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

94151440 is a wasteful number, since it uses less digits than its factorization.

94151440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 94151440 is about 9703.1664934701. The cubic root of 94151440 is about 454.9276381321.

Adding to 94151440 its reverse (4415149), we get a palindrome (98566589).

The spelling of 94151440 in words is "ninety-four million, one hundred fifty-one thousand, four hundred forty".