7926162840 has 192 divisors, whose sum is σ = 26745919200. Its totient is φ = 2033289216.

The previous prime is 7926162833. The next prime is 7926162889. The reversal of 7926162840 is 482616297.

It is a happy number.

7926162840 is a `hidden beast` number, since 7 + 9 + 2 + 616 + 28 + 4 + 0 = 666.

It is a Cunningham number, because it is equal to 89029²-1.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3203844 + ... + 3206316.

Almost surely, 2^7926162840 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 7926162840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13372959600).

7926162840 is an abundant number, since it is smaller than the sum of its proper divisors (18819756360).

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

7926162840 is a wasteful number, since it uses less digits than its factorization.

7926162840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 7926162840 is about 89028.9999943839. Note that the first 5 decimals coincide. The cubic root of 7926162840 is about 1993.8278753661.

The spelling of 7926162840 in words is "seven billion, nine hundred twenty-six million, one hundred sixty-two thousand, eight hundred forty".