7558740640 has 96 divisors (see below), whose sum is σ = 19598350464. Its totient is φ = 2732067840.

The previous prime is 7558740613. The next prime is 7558740667. The reversal of 7558740640 is 460478557.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7558740613) and next prime (7558740667).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281062 + ... + 306778.

It is an arithmetic number, because the mean of its divisors is an integer number (204149484).

Almost surely, 2^7558740640 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 7558740640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9799175232).

7558740640 is an abundant number, since it is smaller than the sum of its proper divisors (12039609824).

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

7558740640 is a wasteful number, since it uses less digits than its factorization.

7558740640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25910 (or 25902 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 7558740640 is about 86941.0181674910. The cubic root of 7558740640 is about 1962.5307999007.

The spelling of 7558740640 in words is "seven billion, five hundred fifty-eight million, seven hundred forty thousand, six hundred forty".