7440162856 has 16 divisors (see below), whose sum is σ = 15943206240. Its totient is φ = 3188641200.

The previous prime is 7440162853. The next prime is 7440162859. The reversal of 7440162856 is 6582610447.

It is an interprime number because it is at equal distance from previous prime (7440162853) and next prime (7440162859).

It is not an unprimeable number, because it can be changed into a prime (7440162853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66429970 + ... + 66430081.

It is an arithmetic number, because the mean of its divisors is an integer number (996450390).

Almost surely, 2^7440162856 is an apocalyptic number.

It is an amenable number.

7440162856 is an abundant number, since it is smaller than the sum of its proper divisors (8503043384).

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

7440162856 is a wasteful number, since it uses less digits than its factorization.

7440162856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132860064 (or 132860060 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 7440162856 is about 86256.3786394954. The cubic root of 7440162856 is about 1952.2142592961.

The spelling of 7440162856 in words is "seven billion, four hundred forty million, one hundred sixty-two thousand, eight hundred fifty-six".