94451040 has 144 divisors (see below), whose sum is σ = 325857168. Its totient is φ = 24910848.

The previous prime is 94451009. The next prime is 94451051. The reversal of 94451040 is 4015449.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 94450995 and 94451013.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 153774 + ... + 154386.

It is an arithmetic number, because the mean of its divisors is an integer number (2262897).

Almost surely, 2^94451040 is an apocalyptic number.

94451040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162928584).

94451040 is an abundant number, since it is smaller than the sum of its proper divisors (231406128).

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

94451040 is a wasteful number, since it uses less digits than its factorization.

94451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 94451040 is about 9718.5924906851. The cubic root of 94451040 is about 455.4096700783.

Adding to 94451040 its reverse (4015449), we get a palindrome (98466489).

It can be divided in two parts, 944 and 51040, that added together give a square (51984 = 228²).

The spelling of 94451040 in words is "ninety-four million, four hundred fifty-one thousand, forty".