2400818450856 has 128 divisors (see below), whose sum is σ = 6868592640000. Its totient is φ = 685037751552.

The previous prime is 2400818450851. The next prime is 2400818450881. The reversal of 2400818450856 is 6580548180042.

It is a junction number, because it is equal to n+sod(n) for n = 2400818450799 and 2400818450808.

It is not an unprimeable number, because it can be changed into a prime (2400818450851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577256505 + ... + 577260663.

It is an arithmetic number, because the mean of its divisors is an integer number (53660880000).

Almost surely, 2^{2400818450856} is an apocalyptic number.

It is an amenable number.

2400818450856 is an abundant number, since it is smaller than the sum of its proper divisors (4467774189144).

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

2400818450856 is a wasteful number, since it uses less digits than its factorization.

2400818450856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911 (or 7907 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 2400818450856 in words is "two trillion, four hundred billion, eight hundred eighteen million, four hundred fifty thousand, eight hundred fifty-six".