941840640 has 432 divisors, whose sum is σ = 3705199680. Its totient is φ = 218972160.

The previous prime is 941840629. The next prime is 941840651. The reversal of 941840640 is 46048149.

It is a happy number.

941840640 is a `hidden beast` number, since 9 + 4 + 1 + 8 + 4 + 0 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (941840629) and next prime (941840651).

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 = 941840595 and 941840604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2845275 + ... + 2845605.

Almost surely, 2^941840640 is an apocalyptic number.

941840640 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 941840640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852599840).

941840640 is an abundant number, since it is smaller than the sum of its proper divisors (2763359040).

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

941840640 is a wasteful number, since it uses less digits than its factorization.

941840640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 941840640 is about 30689.4222819525. The cubic root of 941840640 is about 980.2250767214.

Adding to 941840640 its reverse (46048149), we get a palindrome (987888789).

The spelling of 941840640 in words is "nine hundred forty-one million, eight hundred forty thousand, six hundred forty".