7408065618 has 48 divisors (see below), whose sum is σ = 16164308160. Its totient is φ = 2451945888.

The previous prime is 7408065617. The next prime is 7408065647. The reversal of 7408065618 is 8165608047.

It is a happy number.

7408065618 is a `hidden beast` number, since 7 + 4 + 0 + 80 + 6 + 561 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (7408065617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2079723 + ... + 2083281.

It is an arithmetic number, because the mean of its divisors is an integer number (336756420).

Almost surely, 2^7408065618 is an apocalyptic number.

7408065618 is an abundant number, since it is smaller than the sum of its proper divisors (8756242542).

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

7408065618 is a wasteful number, since it uses less digits than its factorization.

7408065618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351 (or 4348 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 7408065618 is about 86070.1203554404. The cubic root of 7408065618 is about 1949.4028956819.

The spelling of 7408065618 in words is "seven billion, four hundred eight million, sixty-five thousand, six hundred eighteen".