2490045705 has 160 divisors (see below), whose sum is σ = 5453015040. Its totient is φ = 1062512640.

The previous prime is 2490045683. The next prime is 2490045737. The reversal of 2490045705 is 5075400942.

It is not a de Polignac number, because 2490045705 - 2⁵ = 2490045673 is a prime.

It is a super-2 number, since 2×2490045705² = 12400655225977894050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2490045705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2548177 + ... + 2549153.

It is an arithmetic number, because the mean of its divisors is an integer number (34081344).

Almost surely, 2^2490045705 is an apocalyptic number.

It is an amenable number.

2490045705 is an abundant number, since it is smaller than the sum of its proper divisors (2962969335).

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

2490045705 is a wasteful number, since it uses less digits than its factorization.

2490045705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2490045705 is about 49900.3577642485. The cubic root of 2490045705 is about 1355.4050712703.

The spelling of 2490045705 in words is "two billion, four hundred ninety million, forty-five thousand, seven hundred five".