911940480 has 384 divisors, whose sum is σ = 3537237600. Its totient is φ = 214548480.

The previous prime is 911940451. The next prime is 911940481. The reversal of 911940480 is 84049119.

911940480 is a `hidden beast` number, since 91 + 1 + 94 + 0 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (911940481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2344126 + ... + 2344514.

Almost surely, 2^911940480 is an apocalyptic number.

911940480 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 911940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768618800).

911940480 is an abundant number, since it is smaller than the sum of its proper divisors (2625297120).

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

911940480 is a wasteful number, since it uses less digits than its factorization.

911940480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 911940480 is about 30198.3522729304. The cubic root of 911940480 is about 969.7404201427.

Adding to 911940480 its reverse (84049119), we get a palindrome (995989599).

The spelling of 911940480 in words is "nine hundred eleven million, nine hundred forty thousand, four hundred eighty".