2490744618 has 48 divisors (see below), whose sum is σ = 5694468000. Its totient is φ = 784637280.

The previous prime is 2490744617. The next prime is 2490744653. The reversal of 2490744618 is 8164470942.

2490744618 is a `hidden beast` number, since 24 + 9 + 0 + 7 + 4 + 4 + 618 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2490744611) 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, 135333 + ... + 152631.

It is an arithmetic number, because the mean of its divisors is an integer number (118634750).

Almost surely, 2^2490744618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490744618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2847234000).

2490744618 is an abundant number, since it is smaller than the sum of its proper divisors (3203723382).

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

2490744618 is a wasteful number, since it uses less digits than its factorization.

2490744618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747 (or 17744 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2490744618 is about 49907.3603589691. The cubic root of 2490744618 is about 1355.5318723708.

The spelling of 2490744618 in words is "two billion, four hundred ninety million, seven hundred forty-four thousand, six hundred eighteen".