7740228552 has 192 divisors, whose sum is σ = 23341363200. Its totient is φ = 2136697920.

The previous prime is 7740228541. The next prime is 7740228553. The reversal of 7740228552 is 2558220477.

It is a super-2 number, since 2×7740228552² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (7740228553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12504099 + ... + 12504717.

It is an arithmetic number, because the mean of its divisors is an integer number (121569600).

Almost surely, 2^7740228552 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 7740228552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11670681600).

7740228552 is an abundant number, since it is smaller than the sum of its proper divisors (15601134648).

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

7740228552 is an equidigital number, since it uses as much as digits as its factorization.

7740228552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 7740228552 is about 87978.5687085213. The cubic root of 7740228552 is about 1978.1137489823.

The spelling of 7740228552 in words is "seven billion, seven hundred forty million, two hundred twenty-eight thousand, five hundred fifty-two".