7840324055 has 4 divisors (see below), whose sum is σ = 9408388872. Its totient is φ = 6272259240.

The previous prime is 7840324043. The next prime is 7840324073. The reversal of 7840324055 is 5504230487.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7840324055 - 2⁶ = 7840323991 is a prime.

It is a super-2 number, since 2×7840324055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784032401 + ... + 784032410.

It is an arithmetic number, because the mean of its divisors is an integer number (2352097218).

Almost surely, 2^7840324055 is an apocalyptic number.

7840324055 is a deficient number, since it is larger than the sum of its proper divisors (1568064817).

7840324055 is a wasteful number, since it uses less digits than its factorization.

7840324055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568064816.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 7840324055 is about 88545.6043798900. The cubic root of 7840324055 is about 1986.6041471356.

The spelling of 7840324055 in words is "seven billion, eight hundred forty million, three hundred twenty-four thousand, fifty-five".