2451560140 has 24 divisors (see below), whose sum is σ = 5451116832. Its totient is φ = 922940160.

The previous prime is 2451560119. The next prime is 2451560143. The reversal of 2451560140 is 410651542.

It is a junction number, because it is equal to n+sod(n) for n = 2451560099 and 2451560108.

It is not an unprimeable number, because it can be changed into a prime (2451560143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604896 + ... + 3605575.

It is an arithmetic number, because the mean of its divisors is an integer number (227129868).

Almost surely, 2^2451560140 is an apocalyptic number.

2451560140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451560140 is an abundant number, since it is smaller than the sum of its proper divisors (2999556692).

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

2451560140 is a wasteful number, since it uses less digits than its factorization.

2451560140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210497 (or 7210495 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2451560140 is about 49513.2319688384. The cubic root of 2451560140 is about 1348.3858421414.

The spelling of 2451560140 in words is "two billion, four hundred fifty-one million, five hundred sixty thousand, one hundred forty".