7940475465660 has 288 divisors, whose sum is σ = 24962285537280. Its totient is φ = 2040991603200.

The previous prime is 7940475465613. The next prime is 7940475465679. The reversal of 7940475465660 is 665645740497.

7940475465660 is a `hidden beast` number, since 7 + 9 + 40 + 4 + 75 + 465 + 6 + 60 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3644090451 + ... + 3644092629.

It is an arithmetic number, because the mean of its divisors is an integer number (86674602560).

Almost surely, 2^{7940475465660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7940475465660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12481142768640).

7940475465660 is an abundant number, since it is smaller than the sum of its proper divisors (17021810071620).

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

7940475465660 is a wasteful number, since it uses less digits than its factorization.

7940475465660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 7940475465660 in words is "seven trillion, nine hundred forty billion, four hundred seventy-five million, four hundred sixty-five thousand, six hundred sixty".