5240667618 has 12 divisors (see below), whose sum is σ = 11354779878. Its totient is φ = 1746889200.

The previous prime is 5240667617. The next prime is 5240667637. The reversal of 5240667618 is 8167660425.

5240667618 is a `hidden beast` number, since 5 + 24 + 0 + 6 + 6 + 7 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5003723169 + 236944449 = 70737^2 + 15393^2 .

It is not an unprimeable number, because it can be changed into a prime (5240667617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145574083 + ... + 145574118.

Almost surely, 2^5240667618 is an apocalyptic number.

5240667618 is an abundant number, since it is smaller than the sum of its proper divisors (6114112260).

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

5240667618 is a wasteful number, since it uses less digits than its factorization.

5240667618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291148209 (or 291148206 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 5240667618 is about 72392.4555323274. The cubic root of 5240667618 is about 1736.9828827921.

The spelling of 5240667618 in words is "five billion, two hundred forty million, six hundred sixty-seven thousand, six hundred eighteen".