94256640 has 120 divisors (see below), whose sum is σ = 326517048. Its totient is φ = 25128960.

The previous prime is 94256627. The next prime is 94256681. The reversal of 94256640 is 4665249.

94256640 is a `hidden beast` number, since 9 + 4 + 2 + 5 + 6 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 94256595 and 94256604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20995 + ... + 25085.

Almost surely, 2^94256640 is an apocalyptic number.

94256640 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 94256640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163258524).

94256640 is an abundant number, since it is smaller than the sum of its proper divisors (232260408).

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

94256640 is a wasteful number, since it uses less digits than its factorization.

94256640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 94256640 is about 9708.5858908494. The cubic root of 94256640 is about 455.0970126836.

The spelling of 94256640 in words is "ninety-four million, two hundred fifty-six thousand, six hundred forty".