7920266508 has 720 divisors, whose sum is σ = 28838656000. Its totient is φ = 1886068800.

The previous prime is 7920266507. The next prime is 7920266537. The reversal of 7920266508 is 8056620297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920266503) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 255492453 + ... + 255492483.

Almost surely, 2^7920266508 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 7920266508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14419328000).

7920266508 is an abundant number, since it is smaller than the sum of its proper divisors (20918389492).

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

7920266508 is a wasteful number, since it uses less digits than its factorization.

7920266508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 7920266508 is about 88995.8791630264. The cubic root of 7920266508 is about 1993.3333448793. Note that the first 4 decimals are identical.

The spelling of 7920266508 in words is "seven billion, nine hundred twenty million, two hundred sixty-six thousand, five hundred eight".