7155622080 has 224 divisors, whose sum is σ = 25659161280. Its totient is φ = 1876746240.

The previous prime is 7155622051. The next prime is 7155622121. The reversal of 7155622080 is 802265517.

It is a happy number.

7155622080 is a `hidden beast` number, since 7 + 1 + 556 + 2 + 20 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520252 + ... + 533828.

Almost surely, 2^7155622080 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 7155622080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12829580640).

7155622080 is an abundant number, since it is smaller than the sum of its proper divisors (18503539200).

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

7155622080 is a wasteful number, since it uses less digits than its factorization.

7155622080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13664 (or 13648 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 7155622080 is about 84590.9101499682. The cubic root of 7155622080 is about 1927.0033300699.

Adding to 7155622080 its reverse (802265517), we get a palindrome (7957887597).

It can be divided in two parts, 71556 and 22080, that added together give a square (93636 = 306²).

The spelling of 7155622080 in words is "seven billion, one hundred fifty-five million, six hundred twenty-two thousand, eighty".