2490657768 has 64 divisors (see below), whose sum is σ = 6928372800. Its totient is φ = 829033920.

The previous prime is 2490657761. The next prime is 2490657781. The reversal of 2490657768 is 8677560942.

2490657768 is a `hidden beast` number, since 2 + 4 + 9 + 0 + 6 + 577 + 68 = 666.

2490657768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2490657768² = 12406752234597483648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2490657761) 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, 150463 + ... + 166193.

It is an arithmetic number, because the mean of its divisors is an integer number (108255825).

Almost surely, 2^2490657768 is an apocalyptic number.

It is an amenable number.

2490657768 is an abundant number, since it is smaller than the sum of its proper divisors (4437715032).

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

2490657768 is a wasteful number, since it uses less digits than its factorization.

2490657768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16479 (or 16469 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 2490657768 is about 49906.4902392464. The cubic root of 2490657768 is about 1355.5161167998.

The spelling of 2490657768 in words is "two billion, four hundred ninety million, six hundred fifty-seven thousand, seven hundred sixty-eight".