7906143340 has 12 divisors (see below), whose sum is σ = 16602901056. Its totient is φ = 3162457328.

The previous prime is 7906143307. The next prime is 7906143341. The reversal of 7906143340 is 433416097.

It is a self number, because there is not a number n which added to its sum of digits gives 7906143340.

It is not an unprimeable number, because it can be changed into a prime (7906143341) 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 3 ways as a sum of consecutive naturals, for example, 197653564 + ... + 197653603.

It is an arithmetic number, because the mean of its divisors is an integer number (1383575088).

Almost surely, 2^7906143340 is an apocalyptic number.

It is an amenable number.

7906143340 is an abundant number, since it is smaller than the sum of its proper divisors (8696757716).

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

7906143340 is a wasteful number, since it uses less digits than its factorization.

7906143340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395307176 (or 395307174 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 7906143340 is about 88916.4964446980. The cubic root of 7906143340 is about 1992.1478236751.

The spelling of 7906143340 in words is "seven billion, nine hundred six million, one hundred forty-three thousand, three hundred forty".