912017040 has 80 divisors (see below), whose sum is σ = 3084284736. Its totient is φ = 221094400.

The previous prime is 912017017. The next prime is 912017047. The reversal of 912017040 is 40710219.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 912017040.

It is not an unprimeable number, because it can be changed into a prime (912017047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170091 + ... + 175370.

Almost surely, 2^912017040 is an apocalyptic number.

It is an amenable number.

912017040 is an abundant number, since it is smaller than the sum of its proper divisors (2172267696).

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

912017040 is a wasteful number, since it uses less digits than its factorization.

912017040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345488 (or 345482 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 912017040 is about 30199.6198651572. The cubic root of 912017040 is about 969.7675568731.

Adding to 912017040 its reverse (40710219), we get a palindrome (952727259).

The spelling of 912017040 in words is "nine hundred twelve million, seventeen thousand, forty".