7906159840 has 96 divisors (see below), whose sum is σ = 19517137920. Its totient is φ = 3020818944.

The previous prime is 7906159801. The next prime is 7906159841. The reversal of 7906159840 is 489516097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7906159841) 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 15 ways as a sum of consecutive naturals, for example, 4882551 + ... + 4884169.

It is an arithmetic number, because the mean of its divisors is an integer number (203303520).

Almost surely, 2^7906159840 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 7906159840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9758568960).

7906159840 is an abundant number, since it is smaller than the sum of its proper divisors (11610978080).

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

7906159840 is a wasteful number, since it uses less digits than its factorization.

7906159840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 7906159840 is about 88916.5892283324. The cubic root of 7906159840 is about 1992.1492095348.

The spelling of 7906159840 in words is "seven billion, nine hundred six million, one hundred fifty-nine thousand, eight hundred forty".