7640866300 has 72 divisors (see below), whose sum is σ = 17061501744. Its totient is φ = 2968035840.

The previous prime is 7640866253. The next prime is 7640866351. The reversal of 7640866300 is 36680467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2281227 + ... + 2284573.

It is an arithmetic number, because the mean of its divisors is an integer number (236965302).

Almost surely, 2^7640866300 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 7640866300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8530750872).

7640866300 is an abundant number, since it is smaller than the sum of its proper divisors (9420635444).

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

7640866300 is a wasteful number, since it uses less digits than its factorization.

7640866300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 7640866300 is about 87412.0489406352. The cubic root of 7640866300 is about 1969.6128401652.

The spelling of 7640866300 in words is "seven billion, six hundred forty million, eight hundred sixty-six thousand, three hundred".