7842456016 has 10 divisors (see below), whose sum is σ = 15194758562. Its totient is φ = 3921228000.

The previous prime is 7842455977. The next prime is 7842456059. The reversal of 7842456016 is 6106542487.

It can be written as a sum of positive squares in only one way, i.e., 7242010000 + 600446016 = 85100^2 + 24504^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245076735 + ... + 245076766.

Almost surely, 2^7842456016 is an apocalyptic number.

It is an amenable number.

7842456016 is a deficient number, since it is larger than the sum of its proper divisors (7352302546).

7842456016 is a wasteful number, since it uses less digits than its factorization.

7842456016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490153509 (or 490153503 counting only the distinct ones).

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

The square root of 7842456016 is about 88557.6423353739. The cubic root of 7842456016 is about 1986.7841983127.

The spelling of 7842456016 in words is "seven billion, eight hundred forty-two million, four hundred fifty-six thousand, sixteen".