912865475340 has 720 divisors, whose sum is σ = 3616607332800. Its totient is φ = 192584770560.

The previous prime is 912865475323. The next prime is 912865475377. The reversal of 912865475340 is 43574568219.

It is a happy number.

912865475340 is a `hidden beast` number, since 9 + 1 + 2 + 8 + 6 + 547 + 53 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 93901680 + ... + 93911400.

It is an arithmetic number, because the mean of its divisors is an integer number (5023065740).

It is a 1-persistent number, because it is pandigital, but 2⋅912865475340 = 1825730950680 is not.

Almost surely, 2^912865475340 is an apocalyptic number.

912865475340 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 912865475340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808303666400).

912865475340 is an abundant number, since it is smaller than the sum of its proper divisors (2703741857460).

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

912865475340 is a wasteful number, since it uses less digits than its factorization.

912865475340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789 (or 9751 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 912865475340 in words is "nine hundred twelve billion, eight hundred sixty-five million, four hundred seventy-five thousand, three hundred forty".