2451430680 has 32 divisors (see below), whose sum is σ = 7354292400. Its totient is φ = 653714816.

The previous prime is 2451430649. The next prime is 2451430693. The reversal of 2451430680 is 860341542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10214175 + ... + 10214414.

Almost surely, 2^2451430680 is an apocalyptic number.

2451430680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451430680 is an abundant number, since it is smaller than the sum of its proper divisors (4902861720).

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

2451430680 is a wasteful number, since it uses less digits than its factorization.

2451430680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428603 (or 20428599 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2451430680 is about 49511.9246242761. The cubic root of 2451430680 is about 1348.3621069015.

The spelling of 2451430680 in words is "two billion, four hundred fifty-one million, four hundred thirty thousand, six hundred eighty".