2659240730 has 32 divisors (see below), whose sum is σ = 5007744000. Its totient is φ = 1015665280.

The previous prime is 2659240721. The next prime is 2659240739. The reversal of 2659240730 is 370429562.

It is an interprime number because it is at equal distance from previous prime (2659240721) and next prime (2659240739).

It is a super-2 number, since 2×2659240730² = 14143122520181865800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2659240739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49730 + ... + 88269.

It is an arithmetic number, because the mean of its divisors is an integer number (156492000).

Almost surely, 2^2659240730 is an apocalyptic number.

2659240730 is a deficient number, since it is larger than the sum of its proper divisors (2348503270).

2659240730 is a wasteful number, since it uses less digits than its factorization.

2659240730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138094.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2659240730 is about 51567.8265006389. The cubic root of 2659240730 is about 1385.4341377753.

The spelling of 2659240730 in words is "two billion, six hundred fifty-nine million, two hundred forty thousand, seven hundred thirty".