7489091088 has 120 divisors (see below), whose sum is σ = 22472415840. Its totient is φ = 2387753280.

The previous prime is 7489091063. The next prime is 7489091089. The reversal of 7489091088 is 8801909847.

It is a super-2 number, since 2×7489091088² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7489091089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212143 + ... + 244913.

It is an arithmetic number, because the mean of its divisors is an integer number (187270132).

Almost surely, 2^7489091088 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 7489091088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11236207920).

7489091088 is an abundant number, since it is smaller than the sum of its proper divisors (14983324752).

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

7489091088 is a wasteful number, since it uses less digits than its factorization.

7489091088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32834 (or 32799 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 7489091088 is about 86539.5348265751. The cubic root of 7489091088 is about 1956.4843168201.

The spelling of 7489091088 in words is "seven billion, four hundred eighty-nine million, ninety-one thousand, eighty-eight".