7940523846 has 64 divisors (see below), whose sum is σ = 17085551616. Its totient is φ = 2451340800.

The previous prime is 7940523823. The next prime is 7940523847. The reversal of 7940523846 is 6483250497.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7940523795 and 7940523804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940523847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2292556 + ... + 2296016.

It is an arithmetic number, because the mean of its divisors is an integer number (266961744).

Almost surely, 2^7940523846 is an apocalyptic number.

7940523846 is an abundant number, since it is smaller than the sum of its proper divisors (9145027770).

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

7940523846 is a wasteful number, since it uses less digits than its factorization.

7940523846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 7940523846 is about 89109.6170230801. The cubic root of 7940523846 is about 1995.0313201658.

The spelling of 7940523846 in words is "seven billion, nine hundred forty million, five hundred twenty-three thousand, eight hundred forty-six".