2497666044 has 48 divisors (see below), whose sum is σ = 6321230496. Its totient is φ = 764467200.

The previous prime is 2497666009. The next prime is 2497666049. The reversal of 2497666044 is 4406667942.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2497665984 and 2497666002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497666049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140947 + ... + 157674.

It is an arithmetic number, because the mean of its divisors is an integer number (131692302).

Almost surely, 2^2497666044 is an apocalyptic number.

It is an amenable number.

2497666044 is an abundant number, since it is smaller than the sum of its proper divisors (3823564452).

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

2497666044 is a wasteful number, since it uses less digits than its factorization.

2497666044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298686 (or 298684 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 2497666044 is about 49976.6549901051. The cubic root of 2497666044 is about 1356.7863213759.

The spelling of 2497666044 in words is "two billion, four hundred ninety-seven million, six hundred sixty-six thousand, forty-four".