3146472678240 has 384 divisors, whose sum is σ = 11082572928000. Its totient is φ = 833747079168.

The previous prime is 3146472678197. The next prime is 3146472678247. The reversal of 3146472678240 is 428762746413.

3146472678240 is a `hidden beast` number, since 3 + 1 + 464 + 7 + 2 + 67 + 82 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146472678247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 557981341 + ... + 557986979.

It is an arithmetic number, because the mean of its divisors is an integer number (28860867000).

Almost surely, 2^{3146472678240} is an apocalyptic number.

3146472678240 is a gapful number since it is divisible by the number (30) 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 3146472678240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5541286464000).

3146472678240 is an abundant number, since it is smaller than the sum of its proper divisors (7936100249760).

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

3146472678240 is a wasteful number, since it uses less digits than its factorization.

3146472678240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 3146472678240 in words is "three trillion, one hundred forty-six billion, four hundred seventy-two million, six hundred seventy-eight thousand, two hundred forty".