7157424330 has 128 divisors (see below), whose sum is σ = 21952949760. Its totient is φ = 1625495040.

The previous prime is 7157424299. The next prime is 7157424353. The reversal of 7157424330 is 334247517.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284670 + ... + 308790.

It is an arithmetic number, because the mean of its divisors is an integer number (171507420).

Almost surely, 2^7157424330 is an apocalyptic number.

7157424330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7157424330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10976474880).

7157424330 is an abundant number, since it is smaller than the sum of its proper divisors (14795525430).

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

7157424330 is a wasteful number, since it uses less digits than its factorization.

7157424330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24301 (or 24295 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 7157424330 is about 84601.5622196186. The cubic root of 7157424330 is about 1927.1650979863.

The spelling of 7157424330 in words is "seven billion, one hundred fifty-seven million, four hundred twenty-four thousand, three hundred thirty".