2457666460 has 24 divisors (see below), whose sum is σ = 5162705856. Its totient is φ = 982760640.

The previous prime is 2457666413. The next prime is 2457666469. The reversal of 2457666460 is 646667542.

It is a self number, because there is not a number n which added to its sum of digits gives 2457666460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457666469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53469 + ... + 88171.

It is an arithmetic number, because the mean of its divisors is an integer number (215112744).

Almost surely, 2^2457666460 is an apocalyptic number.

2457666460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2457666460 is an abundant number, since it is smaller than the sum of its proper divisors (2705039396).

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

2457666460 is a wasteful number, since it uses less digits than its factorization.

2457666460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38253 (or 38251 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The square root of 2457666460 is about 49574.8571354472. The cubic root of 2457666460 is about 1349.5044289858.

The spelling of 2457666460 in words is "two billion, four hundred fifty-seven million, six hundred sixty-six thousand, four hundred sixty".